31366360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 75427200

約数和(自身を除く): 44060840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 239, 340, 386, 478, 680, 772, 956, 965, 1195, 1544, 1912, 1930, 2390, 3281, 3860, 4063, 4780, 6562, 7720, 8126, 9560, 13124, 16252, 16405, 20315, 26248, 32504, 32810, 40630, 46127, 65620, 81260, 92254, 131240, 162520, 184508, 230635, 369016, 461270, 784159, 922540, 1568318, 1845080, 3136636, 3920795, 6273272, 7841590, 15683180, 31366360]

約数ペア:

[(1, 31366360), (2, 15683180), (4, 7841590), (5, 6273272), (8, 3920795), (10, 3136636), (17, 1845080), (20, 1568318), (34, 922540), (40, 784159), (68, 461270), (85, 369016), (136, 230635), (170, 184508), (193, 162520), (239, 131240), (340, 92254), (386, 81260), (478, 65620), (680, 46127), (772, 40630), (956, 32810), (965, 32504), (1195, 26248), (1544, 20315), (1912, 16405), (1930, 16252), (2390, 13124), (3281, 9560), (3860, 8126), (4063, 7720), (4780, 6562)]