15666719920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{280967}}^1$

素因数の和:281038

約数の個数: 80

約数和(自身を含む): 39508596288

約数和(自身を除く): 23841876368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1640, 2788, 3280, 3485, 5576, 6970, 11152, 13940, 27880, 55760, 280967, 561934, 1123868, 1404835, 2247736, 2809670, 4495472, 4776439, 5619340, 9552878, 11238680, 11519647, 19105756, 22477360, 23039294, 23882195, 38211512, 46078588, 47764390, 57598235, 76423024, 92157176, 95528780, 115196470, 184314352, 191057560, 195833999, 230392940, 382115120, 391667998, 460785880, 783335996, 921571760, 979169995, 1566671992, 1958339990, 3133343984, 3916679980, 7833359960, 15666719920]

約数ペア:

[(1, 15666719920), (2, 7833359960), (4, 3916679980), (5, 3133343984), (8, 1958339990), (10, 1566671992), (16, 979169995), (17, 921571760), (20, 783335996), (34, 460785880), (40, 391667998), (41, 382115120), (68, 230392940), (80, 195833999), (82, 191057560), (85, 184314352), (136, 115196470), (164, 95528780), (170, 92157176), (205, 76423024), (272, 57598235), (328, 47764390), (340, 46078588), (410, 38211512), (656, 23882195), (680, 23039294), (697, 22477360), (820, 19105756), (1360, 11519647), (1394, 11238680), (1640, 9552878), (2788, 5619340), (3280, 4776439), (3485, 4495472), (5576, 2809670), (6970, 2247736), (11152, 1404835), (13940, 1123868), (27880, 561934), (55760, 280967)]