646680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 2060640

約数和(自身を除く): 1413960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 317, 340, 408, 510, 634, 680, 951, 1020, 1268, 1585, 1902, 2040, 2536, 3170, 3804, 4755, 5389, 6340, 7608, 9510, 10778, 12680, 16167, 19020, 21556, 26945, 32334, 38040, 43112, 53890, 64668, 80835, 107780, 129336, 161670, 215560, 323340, 646680]

約数ペア:

[(1, 646680), (2, 323340), (3, 215560), (4, 161670), (5, 129336), (6, 107780), (8, 80835), (10, 64668), (12, 53890), (15, 43112), (17, 38040), (20, 32334), (24, 26945), (30, 21556), (34, 19020), (40, 16167), (51, 12680), (60, 10778), (68, 9510), (85, 7608), (102, 6340), (120, 5389), (136, 4755), (170, 3804), (204, 3170), (255, 2536), (317, 2040), (340, 1902), (408, 1585), (510, 1268), (634, 1020), (680, 951)]