EG
729ޤˤǴְ㤤˵Ťޤ7296̤ξκǾǤ͡Ρ7̤פ6̤פδְ㤤ʤΤϲ꤬ΤǤ1̤ΤϤĤΤޤǤ()
135ǾǤϤʤȻפޤ
519ڡ 0:28:36 51509
ޥ
ޤäְ㤨ƣ̤Ƚ񤤤Ƥޤޤ̤ξ򡢤줫ͤޤ
Tokyo 519ڡ 0:37:17 HomePage:51510
٥륯åĥ
¤θꡢĤˤʤΤϤοܿĤˤʤΤϤοȾʬδܡ
ĤˤʤΤϢߡʢ+1ˡ2ʾ塣
105361014357ĤɽǾȻפޤ
519ڡ 0:58:36 51514
EG
135ʤ105Ǥ͡357˺Ƥޤ()
519ڡ 1:01:21 51515
٥륯åĥ
ϤͤƤä餷Τé失ޤ
äȻפޤ
519ڡ 1:04:38 51516
ߤ
̤ꤢ뤫ϡ֤ΤθĿפȤʤ餷Ǥ

ᣱʤ顢ϣΣġñȤ⥫
У̤ꡣ

ĤǺǾϡߣߣᣱ
ñȰʳˣ̤ꤢ뤫Τȡ







Ĥ롣
519ڡ 1:07:42 51517
鯤ο
105=3*5*7ФơʲΤ褦ˡ7̤ɽǤ뤫顢105ʲ
52+53Ϣ³2
34+35+36 Ϣ³3
19+20+21+22+23 Ϣ³5
15+16+17+18+19+20 Ϣ³6(3*2)
12+13+14+15+16+17+18 Ϣ³7
6+7+8+9+10+11+12+13+14+15Ϣ³10(5*2)
1+2+3+4+5+6+7+8+9+10+11+12+13+14 Ϣ³14(7*2)

N2İʾϢ³nĤμ¤ɽˤϰʲɬ
(1)nNδǤꡢN/nmȤȤmϢ³nĤμ濴Ǥꡢm-(n-1)/21
ޤ
(2)nǤꡢN/nmȤȤ(m-1/2)(m+1/2)Ϣ³nĤμ濴Ǥꡢ(m-1/2)-(n-2)/21

ξդʤ顢ǿѤǧƤߤ105̤Ǥ7̤ˤʤʤ褦äΤǡ
105ˤƤߤޤ
519ڡ 1:28:18 51518
ֿء׾ι
Ǥa=1,2,3,ġk=1,2,3,ĤФak+k(k-1)/2ͤɽˤ
ɽͤθĿcountȡޤ1057ĤǤ
2ܤϲʤõƤȡ315Τ褦Ǥ
519ڡ 7:25:44 51519
ֿء׾ι
#51519 Ǥ
2ܤϡ315ʤ135Ǥ
519ڡ 7:42:40 51520
ֿء׾ι
ˡ105,135,165,189,195,210,231,255,270,273,285,297,
ʤߤˡ31511̤ˤʤ褦Ǥ
ۥȤɤϳΤƤʤΤǡ餺ʡˡ
519ڡ 7:50:06 51521

ȤʤMȤ
Mʤ[M/2],(M+1)/2¤ɽ
ޤĤϢ³¤ɽǾξϡ
ͤm,m',m"Ȥ
M=m3=m'5=m"7
m,m',m"ǤС줾([m/2],(m+1)/2)(m/2,(m'+1)/2)([m"/2],(m"+1)/2)2ĤȤơ6Ϣ³10Ϣ³14Ϣ³¤ɽ롣

Mξͤ2Ĥʬʤ
ޤ(4ܿ)ĤϢ³¤ϤΤ褦˲ŸƤʤΤǤդ路餺

M=357=105ˤĤĴ٤14Ϣ³¤114ޤǤȤʤΩΤǡ105
kϤϥΤȤǤ
519ڡ 8:19:27 51522
ֿء׾ι
210 ˤĤơ
69+70+71
51+52+53+54
40+41+42+43+44
27+28+ά+32+33
12+13+ά+22+23
7+8+9+ά+20+21
1+2+3+ά+19+20ʾ7̤ˤʤޤ
519ڡ 12:24:46 51523
Ȥ
Basic

print time$
for x=1 to 1000
let s=0
for a=1 to 1000
for b=a+1 to 1000
if (b+1-a)*(a+b)/2=x then let s=s+1
next b
next a
if s=7 then
print x;
end if
next x
end

f9
13:06:16
105 135 165 189 195 210 231 255 270 273 285 297
330 345 351 357 375 378 385 390 399 420 429 435
455 459 462 465 483 15:07:09

s=7νѤƤ⤢ѿνͤǤǤǤƤΤ
ץǤ!!
ѿνͤȤȤ礭Ȼ֤ޤ͡
519ڡ 13:26:45 51524
Ȥ
#51524

ߤޤΥץ1000500
print time$ end

print time$
for x=1 to 500
let s=0
for a=1 to 500
for b=a+1 to 500
if (b+1-a)*(a+b)/2=x then let s=s+1
next b
next a
if s=7 then
print x;
end if
next x
print time$
end

15:07:09 Ǥʤ13:07:09Ǥ!!
519ڡ 13:42:05 51525

οξ硢
AߴBɽƾˤĤơ
AͤȤϢ³BĤ¡ޤ
B2Ĥ¤ȤϢ³2AĤ¤ɽơ⡢礱ʤʪΩ
οǴAߴBɽƾˤĤơ
AͤȤϢ³BĤ¡ޤ
A2Ĥ¤ȤϢ³2BĤ¤ɽƱ礱ʤʪΩ
ο߶ˤʤʤϡϢ³¤ˤϤʤʤ
ñˤޤȤȤʤǤ礦
519ڡ 14:18:39 51526
DA
󡢴ñǤ͡
519ڡ 20:00:42 51527
鯤ο
#51517

䲿̤ꤢ뤫ϡ֤ΤθĿפȤʤ餷Ǥ

NabޤǤϢ³nĤ¤ǽ񤱤Ȥȡ
(a+b)*n/2=N
(a+b)*n=2*N

(a+b)nФơդޤꡢa+bnˤĤơΩġ

a+bn
nʤСa+b϶
nʤСa+bϴ

դˡ2*NXȶYѤǽ񤱤ȤȡXYǤꡢ
X*Y2N

XYΤȤ
a=(X-Y+1)/2
b=(X+Y-1)/2
Ȥȡa,a+1,,b(a+Y-1)NYĤϢ³¤ɽˡͿ롣

XYΤȤ
a=(Y-X+1)/2
b=(Y+X-1)/2
Ȥȡa,a+1,,b(a+X-1)NXĤϢ³¤ɽˡͿ롣

ʾ夫顢2N3ʾδθĿN2İʾϢ³¤ɽˡοȰפ롣
ơ2N3ʾδθĿϡN3ʾδθĿ顢
N2İʾϢ³¤ɽˡϡN3ʾδθĿ
//

519ڡ 23:09:10 51528
ֿء׾ι
ңץǤ
400ʲοǡϢ³¤Ǥɽ礦7̤Τ
ޤ

3.upto(400) do |g|
c=0
1.upto(g-1) do |a|
s=a;k=a
while s<g
k+=1;s+=k
end
if s==g then c+=1 end
end
if c==7 then p g end
end

520ʶ 14:24:56 51529
鯤ο
#51528

p,q,rۤʤǿa0ʾȤȡ

NΣİʾϢ³ɽθĿ
Nδ(ޤ
顢Nϡβ줫η

2^a*p*q*r
2^a*p*q^3
2^a*p^7

520ʶ 23:18:58 51530
CRYING DOLPHIN
15ʬ㼨Τ̯Ǥ͡
㤨18ʬλ㼨ȡ105ʬλ8̤פȼĥ뤳ȤǤƤޤ()
夲ƻ衡 521ڡ 0:58:38 MAIL:Ԥ HomePage:ԤԤ󤹤51531
DUO
ʤȤʤǤĤογݤˤƤߤʬ䤹ʤΤʤȡ
&#10005;ȣ濴ˤĤ¤ˤʤޤ⤷ޥʥ䣰ޤǤʤ顢ʬ껦ȺΤ褦Ϣ³¤ޤ&#10005;ϴޤޤʤǤġ
522 1:36:21 51532
DUO
ݤΡ֤Фġ׵椬ʸˡġ
522 1:38:46 51533
Nࡡ
8ĤʤΤǰʬ򤷤abcޤab^3ޤa^7Ϣ³¤ʤΤǿϴ
äơ357105
522 16:08:50 51534
Nࡡ
8ĤʤΤǰʬ򤷤abcޤab^3ޤa^7Ϣ³¤ʤΤǿϴ
äơ357105
522 16:32:50 51535
Nࡡ
8ĤʤΤǰʬ򤷤abcޤab^3ޤa^7Ϣ³¤ʤΤǿϴ
äơ357105
522 16:33:01 51536
Ǹμ̿
7ͭɤΤǤ͡
524ʲС 19:19:46 51537
Ǹμ̿
1ơ7ͭǾɤΤǤ͡
525ʿ 16:46:10 51538
Ǹμ̿
ȾüʥѥץDzޤץ
import sympy
yakusuu=[]
added=[]
num=input('ǤդϤƲ')
num=int(num)
for i in range(1,num+1):
yakusuu=sympy.divisors(i)
added.append(yakusuu)
print(added)
Υץươ1ʳδ7Ĥοõޤ
525ʿ 19:26:10 51539