129391860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165887}}^1$

素因数の和:165912

約数の個数: 48

約数和(自身を含む): 390168576

約数和(自身を除く): 260776716

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, 165887, 331774, 497661, 663548, 829435, 995322, 1658870, 1990644, 2156531, 2488305, 3317740, 4313062, 4976610, 6469593, 8626124, 9953220, 10782655, 12939186, 21565310, 25878372, 32347965, 43130620, 64695930, 129391860]

約数ペア:

[(1, 129391860), (2, 64695930), (3, 43130620), (4, 32347965), (5, 25878372), (6, 21565310), (10, 12939186), (12, 10782655), (13, 9953220), (15, 8626124), (20, 6469593), (26, 4976610), (30, 4313062), (39, 3317740), (52, 2488305), (60, 2156531), (65, 1990644), (78, 1658870), (130, 995322), (156, 829435), (195, 663548), (260, 497661), (390, 331774), (780, 165887)]