67745680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 168672240

約数和(自身を除く): 100926560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 457, 545, 680, 872, 914, 1090, 1360, 1744, 1828, 1853, 2180, 2285, 3656, 3706, 4360, 4570, 7312, 7412, 7769, 8720, 9140, 9265, 14824, 15538, 18280, 18530, 29648, 31076, 36560, 37060, 38845, 49813, 62152, 74120, 77690, 99626, 124304, 148240, 155380, 199252, 249065, 310760, 398504, 498130, 621520, 797008, 846821, 996260, 1693642, 1992520, 3387284, 3985040, 4234105, 6774568, 8468210, 13549136, 16936420, 33872840, 67745680]

約数ペア:

[(1, 67745680), (2, 33872840), (4, 16936420), (5, 13549136), (8, 8468210), (10, 6774568), (16, 4234105), (17, 3985040), (20, 3387284), (34, 1992520), (40, 1693642), (68, 996260), (80, 846821), (85, 797008), (109, 621520), (136, 498130), (170, 398504), (218, 310760), (272, 249065), (340, 199252), (436, 155380), (457, 148240), (545, 124304), (680, 99626), (872, 77690), (914, 74120), (1090, 62152), (1360, 49813), (1744, 38845), (1828, 37060), (1853, 36560), (2180, 31076), (2285, 29648), (3656, 18530), (3706, 18280), (4360, 15538), (4570, 14824), (7312, 9265), (7412, 9140), (7769, 8720)]