56655560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 151688700

約数和(自身を除く): 95033140

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 169, 170, 221, 232, 260, 289, 290, 338, 340, 377, 442, 493, 520, 578, 580, 676, 680, 754, 845, 884, 986, 1105, 1156, 1160, 1352, 1445, 1508, 1690, 1768, 1885, 1972, 2210, 2312, 2465, 2873, 2890, 3016, 3380, 3757, 3770, 3944, 4420, 4901, 4930, 5746, 5780, 6409, 6760, 7514, 7540, 8381, 8840, 9802, 9860, 11492, 11560, 12818, 14365, 15028, 15080, 16762, 18785, 19604, 19720, 22984, 24505, 25636, 28730, 30056, 32045, 33524, 37570, 39208, 41905, 48841, 49010, 51272, 57460, 64090, 67048, 75140, 83317, 83810, 97682, 98020, 108953, 114920, 128180, 150280, 166634, 167620, 195364, 196040, 217906, 244205, 256360, 333268, 335240, 390728, 416585, 435812, 488410, 544765, 666536, 833170, 871624, 976820, 1089530, 1416389, 1666340, 1953640, 2179060, 2832778, 3332680, 4358120, 5665556, 7081945, 11331112, 14163890, 28327780, 56655560]

約数ペア:

[(1, 56655560), (2, 28327780), (4, 14163890), (5, 11331112), (8, 7081945), (10, 5665556), (13, 4358120), (17, 3332680), (20, 2832778), (26, 2179060), (29, 1953640), (34, 1666340), (40, 1416389), (52, 1089530), (58, 976820), (65, 871624), (68, 833170), (85, 666536), (104, 544765), (116, 488410), (130, 435812), (136, 416585), (145, 390728), (169, 335240), (170, 333268), (221, 256360), (232, 244205), (260, 217906), (289, 196040), (290, 195364), (338, 167620), (340, 166634), (377, 150280), (442, 128180), (493, 114920), (520, 108953), (578, 98020), (580, 97682), (676, 83810), (680, 83317), (754, 75140), (845, 67048), (884, 64090), (986, 57460), (1105, 51272), (1156, 49010), (1160, 48841), (1352, 41905), (1445, 39208), (1508, 37570), (1690, 33524), (1768, 32045), (1885, 30056), (1972, 28730), (2210, 25636), (2312, 24505), (2465, 22984), (2873, 19720), (2890, 19604), (3016, 18785), (3380, 16762), (3757, 15080), (3770, 15028), (3944, 14365), (4420, 12818), (4901, 11560), (4930, 11492), (5746, 9860), (5780, 9802), (6409, 8840), (6760, 8381), (7514, 7540)]