905743020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{165887}}^1$

素因数の和:165919

約数の個数: 96

約数和(自身を含む): 3121348608

約数和(自身を除く): 2215605588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 165887, 331774, 497661, 663548, 829435, 995322, 1161209, 1658870, 1990644, 2156531, 2322418, 2488305, 3317740, 3483627, 4313062, 4644836, 4976610, 5806045, 6469593, 6967254, 8626124, 9953220, 10782655, 11612090, 12939186, 13934508, 15095717, 17418135, 21565310, 23224180, 25878372, 30191434, 32347965, 34836270, 43130620, 45287151, 60382868, 64695930, 69672540, 75478585, 90574302, 129391860, 150957170, 181148604, 226435755, 301914340, 452871510, 905743020]

約数ペア:

[(1, 905743020), (2, 452871510), (3, 301914340), (4, 226435755), (5, 181148604), (6, 150957170), (7, 129391860), (10, 90574302), (12, 75478585), (13, 69672540), (14, 64695930), (15, 60382868), (20, 45287151), (21, 43130620), (26, 34836270), (28, 32347965), (30, 30191434), (35, 25878372), (39, 23224180), (42, 21565310), (52, 17418135), (60, 15095717), (65, 13934508), (70, 12939186), (78, 11612090), (84, 10782655), (91, 9953220), (105, 8626124), (130, 6967254), (140, 6469593), (156, 5806045), (182, 4976610), (195, 4644836), (210, 4313062), (260, 3483627), (273, 3317740), (364, 2488305), (390, 2322418), (420, 2156531), (455, 1990644), (546, 1658870), (780, 1161209), (910, 995322), (1092, 829435), (1365, 663548), (1820, 497661), (2730, 331774), (5460, 165887)]