31631340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 96526080

約数和(自身を除く): 64894740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 107, 130, 156, 195, 214, 260, 321, 379, 390, 428, 535, 642, 758, 780, 1070, 1137, 1284, 1391, 1516, 1605, 1895, 2140, 2274, 2782, 3210, 3790, 4173, 4548, 4927, 5564, 5685, 6420, 6955, 7580, 8346, 9854, 11370, 13910, 14781, 16692, 19708, 20865, 22740, 24635, 27820, 29562, 40553, 41730, 49270, 59124, 73905, 81106, 83460, 98540, 121659, 147810, 162212, 202765, 243318, 295620, 405530, 486636, 527189, 608295, 811060, 1054378, 1216590, 1581567, 2108756, 2433180, 2635945, 3163134, 5271890, 6326268, 7907835, 10543780, 15815670, 31631340]

約数ペア:

[(1, 31631340), (2, 15815670), (3, 10543780), (4, 7907835), (5, 6326268), (6, 5271890), (10, 3163134), (12, 2635945), (13, 2433180), (15, 2108756), (20, 1581567), (26, 1216590), (30, 1054378), (39, 811060), (52, 608295), (60, 527189), (65, 486636), (78, 405530), (107, 295620), (130, 243318), (156, 202765), (195, 162212), (214, 147810), (260, 121659), (321, 98540), (379, 83460), (390, 81106), (428, 73905), (535, 59124), (642, 49270), (758, 41730), (780, 40553), (1070, 29562), (1137, 27820), (1284, 24635), (1391, 22740), (1516, 20865), (1605, 19708), (1895, 16692), (2140, 14781), (2274, 13910), (2782, 11370), (3210, 9854), (3790, 8346), (4173, 7580), (4548, 6955), (4927, 6420), (5564, 5685)]