256661031120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82263151}}^1$

素因数の和:82263180

約数の個数: 80

約数和(自身を含む): 856852991232

約数和(自身を除く): 600191960112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 82263151, 164526302, 246789453, 329052604, 411315755, 493578906, 658105208, 822631510, 987157812, 1069420963, 1233947265, 1316210416, 1645263020, 1974315624, 2138841926, 2467894530, 3208262889, 3290526040, 3948631248, 4277683852, 4935789060, 5347104815, 6416525778, 6581052080, 8555367704, 9871578120, 10694209630, 12833051556, 16041314445, 17110735408, 19743156240, 21388419260, 25666103112, 32082628890, 42776838520, 51332206224, 64165257780, 85553677040, 128330515560, 256661031120]

約数ペア:

[(1, 256661031120), (2, 128330515560), (3, 85553677040), (4, 64165257780), (5, 51332206224), (6, 42776838520), (8, 32082628890), (10, 25666103112), (12, 21388419260), (13, 19743156240), (15, 17110735408), (16, 16041314445), (20, 12833051556), (24, 10694209630), (26, 9871578120), (30, 8555367704), (39, 6581052080), (40, 6416525778), (48, 5347104815), (52, 4935789060), (60, 4277683852), (65, 3948631248), (78, 3290526040), (80, 3208262889), (104, 2467894530), (120, 2138841926), (130, 1974315624), (156, 1645263020), (195, 1316210416), (208, 1233947265), (240, 1069420963), (260, 987157812), (312, 822631510), (390, 658105208), (520, 493578906), (624, 411315755), (780, 329052604), (1040, 246789453), (1560, 164526302), (3120, 82263151)]