76897980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13781}}^1$

素因数の和:13827

約数の個数: 72

約数和(自身を含む): 240799104

約数和(自身を除く): 163901124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 13781, 27562, 41343, 55124, 68905, 82686, 124029, 137810, 165372, 206715, 248058, 275620, 413430, 427211, 496116, 620145, 826860, 854422, 1240290, 1281633, 1708844, 2136055, 2480580, 2563266, 3844899, 4272110, 5126532, 6408165, 7689798, 8544220, 12816330, 15379596, 19224495, 25632660, 38448990, 76897980]

約数ペア:

[(1, 76897980), (2, 38448990), (3, 25632660), (4, 19224495), (5, 15379596), (6, 12816330), (9, 8544220), (10, 7689798), (12, 6408165), (15, 5126532), (18, 4272110), (20, 3844899), (30, 2563266), (31, 2480580), (36, 2136055), (45, 1708844), (60, 1281633), (62, 1240290), (90, 854422), (93, 826860), (124, 620145), (155, 496116), (180, 427211), (186, 413430), (279, 275620), (310, 248058), (372, 206715), (465, 165372), (558, 137810), (620, 124029), (930, 82686), (1116, 68905), (1395, 55124), (1860, 41343), (2790, 27562), (5580, 13781)]