71317980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12827

約数の個数: 72

約数和(自身を含む): 223327104

約数和(自身を除く): 152009124

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, 12781, 25562, 38343, 51124, 63905, 76686, 115029, 127810, 153372, 191715, 230058, 255620, 383430, 396211, 460116, 575145, 766860, 792422, 1150290, 1188633, 1584844, 1981055, 2300580, 2377266, 3565899, 3962110, 4754532, 5943165, 7131798, 7924220, 11886330, 14263596, 17829495, 23772660, 35658990, 71317980]

約数ペア:

[(1, 71317980), (2, 35658990), (3, 23772660), (4, 17829495), (5, 14263596), (6, 11886330), (9, 7924220), (10, 7131798), (12, 5943165), (15, 4754532), (18, 3962110), (20, 3565899), (30, 2377266), (31, 2300580), (36, 1981055), (45, 1584844), (60, 1188633), (62, 1150290), (90, 792422), (93, 766860), (124, 575145), (155, 460116), (180, 396211), (186, 383430), (279, 255620), (310, 230058), (372, 191715), (465, 153372), (558, 127810), (620, 115029), (930, 76686), (1116, 63905), (1395, 51124), (1860, 38343), (2790, 25562), (5580, 12781)]