64708280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 185673600

約数和(自身を除く): 120965320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 280, 290, 364, 377, 406, 455, 520, 580, 613, 728, 754, 812, 910, 1015, 1160, 1226, 1508, 1624, 1820, 1885, 2030, 2452, 2639, 3016, 3065, 3640, 3770, 4060, 4291, 4904, 5278, 6130, 7540, 7969, 8120, 8582, 10556, 12260, 13195, 15080, 15938, 17164, 17777, 21112, 21455, 24520, 26390, 31876, 34328, 35554, 39845, 42910, 52780, 55783, 63752, 71108, 79690, 85820, 88885, 105560, 111566, 124439, 142216, 159380, 171640, 177770, 223132, 231101, 248878, 278915, 318760, 355540, 446264, 462202, 497756, 557830, 622195, 711080, 924404, 995512, 1115660, 1155505, 1244390, 1617707, 1848808, 2231320, 2311010, 2488780, 3235414, 4622020, 4977560, 6470828, 8088535, 9244040, 12941656, 16177070, 32354140, 64708280]

約数ペア:

[(1, 64708280), (2, 32354140), (4, 16177070), (5, 12941656), (7, 9244040), (8, 8088535), (10, 6470828), (13, 4977560), (14, 4622020), (20, 3235414), (26, 2488780), (28, 2311010), (29, 2231320), (35, 1848808), (40, 1617707), (52, 1244390), (56, 1155505), (58, 1115660), (65, 995512), (70, 924404), (91, 711080), (104, 622195), (116, 557830), (130, 497756), (140, 462202), (145, 446264), (182, 355540), (203, 318760), (232, 278915), (260, 248878), (280, 231101), (290, 223132), (364, 177770), (377, 171640), (406, 159380), (455, 142216), (520, 124439), (580, 111566), (613, 105560), (728, 88885), (754, 85820), (812, 79690), (910, 71108), (1015, 63752), (1160, 55783), (1226, 52780), (1508, 42910), (1624, 39845), (1820, 35554), (1885, 34328), (2030, 31876), (2452, 26390), (2639, 24520), (3016, 21455), (3065, 21112), (3640, 17777), (3770, 17164), (4060, 15938), (4291, 15080), (4904, 13195), (5278, 12260), (6130, 10556), (7540, 8582), (7969, 8120)]