130020760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 311195520

約数和(自身を除く): 181174760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 367, 521, 680, 734, 1042, 1468, 1835, 2084, 2605, 2936, 3670, 4168, 5210, 6239, 7340, 8857, 10420, 12478, 14680, 17714, 20840, 24956, 31195, 35428, 44285, 49912, 62390, 70856, 88570, 124780, 177140, 191207, 249560, 354280, 382414, 764828, 956035, 1529656, 1912070, 3250519, 3824140, 6501038, 7648280, 13002076, 16252595, 26004152, 32505190, 65010380, 130020760]

約数ペア:

[(1, 130020760), (2, 65010380), (4, 32505190), (5, 26004152), (8, 16252595), (10, 13002076), (17, 7648280), (20, 6501038), (34, 3824140), (40, 3250519), (68, 1912070), (85, 1529656), (136, 956035), (170, 764828), (340, 382414), (367, 354280), (521, 249560), (680, 191207), (734, 177140), (1042, 124780), (1468, 88570), (1835, 70856), (2084, 62390), (2605, 49912), (2936, 44285), (3670, 35428), (4168, 31195), (5210, 24956), (6239, 20840), (7340, 17714), (8857, 14680), (10420, 12478)]