61556560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 161340120

約数和(自身を除く): 99783560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 157, 169, 208, 232, 260, 290, 314, 338, 377, 464, 520, 580, 628, 676, 754, 785, 845, 1040, 1160, 1256, 1352, 1508, 1570, 1690, 1885, 2041, 2320, 2512, 2704, 3016, 3140, 3380, 3770, 4082, 4553, 4901, 6032, 6280, 6760, 7540, 8164, 9106, 9802, 10205, 12560, 13520, 15080, 16328, 18212, 19604, 20410, 22765, 24505, 26533, 30160, 32656, 36424, 39208, 40820, 45530, 49010, 53066, 59189, 72848, 78416, 81640, 91060, 98020, 106132, 118378, 132665, 163280, 182120, 196040, 212264, 236756, 265330, 295945, 364240, 392080, 424528, 473512, 530660, 591890, 769457, 947024, 1061320, 1183780, 1538914, 2122640, 2367560, 3077828, 3847285, 4735120, 6155656, 7694570, 12311312, 15389140, 30778280, 61556560]

約数ペア:

[(1, 61556560), (2, 30778280), (4, 15389140), (5, 12311312), (8, 7694570), (10, 6155656), (13, 4735120), (16, 3847285), (20, 3077828), (26, 2367560), (29, 2122640), (40, 1538914), (52, 1183780), (58, 1061320), (65, 947024), (80, 769457), (104, 591890), (116, 530660), (130, 473512), (145, 424528), (157, 392080), (169, 364240), (208, 295945), (232, 265330), (260, 236756), (290, 212264), (314, 196040), (338, 182120), (377, 163280), (464, 132665), (520, 118378), (580, 106132), (628, 98020), (676, 91060), (754, 81640), (785, 78416), (845, 72848), (1040, 59189), (1160, 53066), (1256, 49010), (1352, 45530), (1508, 40820), (1570, 39208), (1690, 36424), (1885, 32656), (2041, 30160), (2320, 26533), (2512, 24505), (2704, 22765), (3016, 20410), (3140, 19604), (3380, 18212), (3770, 16328), (4082, 15080), (4553, 13520), (4901, 12560), (6032, 10205), (6280, 9802), (6760, 9106), (7540, 8164)]