64261860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82387}}^1$

素因数の和:82412

約数の個数: 48

約数和(自身を含む): 193776576

約数和(自身を除く): 129514716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 82387, 164774, 247161, 329548, 411935, 494322, 823870, 988644, 1071031, 1235805, 1647740, 2142062, 2471610, 3213093, 4284124, 4943220, 5355155, 6426186, 10710310, 12852372, 16065465, 21420620, 32130930, 64261860]

約数ペア:

[(1, 64261860), (2, 32130930), (3, 21420620), (4, 16065465), (5, 12852372), (6, 10710310), (10, 6426186), (12, 5355155), (13, 4943220), (15, 4284124), (20, 3213093), (26, 2471610), (30, 2142062), (39, 1647740), (52, 1235805), (60, 1071031), (65, 988644), (78, 823870), (130, 494322), (156, 411935), (195, 329548), (260, 247161), (390, 164774), (780, 82387)]