64407120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 206924256

約数和(自身を除く): 142517136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 79, 80, 86, 120, 129, 158, 172, 215, 237, 240, 258, 316, 344, 395, 430, 474, 516, 632, 645, 688, 790, 860, 948, 1032, 1185, 1264, 1290, 1580, 1720, 1896, 2064, 2370, 2580, 3160, 3397, 3440, 3792, 4740, 5160, 6241, 6320, 6794, 9480, 10191, 10320, 12482, 13588, 16985, 18723, 18960, 20382, 24964, 27176, 31205, 33970, 37446, 40764, 49928, 50955, 54352, 62410, 67940, 74892, 81528, 93615, 99856, 101910, 124820, 135880, 149784, 163056, 187230, 203820, 249640, 268363, 271760, 299568, 374460, 407640, 499280, 536726, 748920, 805089, 815280, 1073452, 1341815, 1497840, 1610178, 2146904, 2683630, 3220356, 4025445, 4293808, 5367260, 6440712, 8050890, 10734520, 12881424, 16101780, 21469040, 32203560, 64407120]

約数ペア:

[(1, 64407120), (2, 32203560), (3, 21469040), (4, 16101780), (5, 12881424), (6, 10734520), (8, 8050890), (10, 6440712), (12, 5367260), (15, 4293808), (16, 4025445), (20, 3220356), (24, 2683630), (30, 2146904), (40, 1610178), (43, 1497840), (48, 1341815), (60, 1073452), (79, 815280), (80, 805089), (86, 748920), (120, 536726), (129, 499280), (158, 407640), (172, 374460), (215, 299568), (237, 271760), (240, 268363), (258, 249640), (316, 203820), (344, 187230), (395, 163056), (430, 149784), (474, 135880), (516, 124820), (632, 101910), (645, 99856), (688, 93615), (790, 81528), (860, 74892), (948, 67940), (1032, 62410), (1185, 54352), (1264, 50955), (1290, 49928), (1580, 40764), (1720, 37446), (1896, 33970), (2064, 31205), (2370, 27176), (2580, 24964), (3160, 20382), (3397, 18960), (3440, 18723), (3792, 16985), (4740, 13588), (5160, 12482), (6241, 10320), (6320, 10191), (6794, 9480)]