8668920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5584

約数の個数: 64

約数和(自身を含む): 28012320

約数和(自身を除く): 19343400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 5557, 11114, 16671, 22228, 27785, 33342, 44456, 55570, 66684, 72241, 83355, 111140, 133368, 144482, 166710, 216723, 222280, 288964, 333420, 361205, 433446, 577928, 666840, 722410, 866892, 1083615, 1444820, 1733784, 2167230, 2889640, 4334460, 8668920]

約数ペア:

[(1, 8668920), (2, 4334460), (3, 2889640), (4, 2167230), (5, 1733784), (6, 1444820), (8, 1083615), (10, 866892), (12, 722410), (13, 666840), (15, 577928), (20, 433446), (24, 361205), (26, 333420), (30, 288964), (39, 222280), (40, 216723), (52, 166710), (60, 144482), (65, 133368), (78, 111140), (104, 83355), (120, 72241), (130, 66684), (156, 55570), (195, 44456), (260, 33342), (312, 27785), (390, 22228), (520, 16671), (780, 11114), (1560, 5557)]