31257930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 84268800

約数和(自身を除く): 53010870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 79, 109, 110, 121, 158, 165, 218, 237, 242, 327, 330, 363, 395, 474, 545, 605, 654, 726, 790, 869, 1090, 1185, 1199, 1210, 1635, 1738, 1815, 2370, 2398, 2607, 3270, 3597, 3630, 4345, 5214, 5995, 7194, 8611, 8690, 9559, 11990, 13035, 13189, 17222, 17985, 19118, 25833, 26070, 26378, 28677, 35970, 39567, 43055, 47795, 51666, 57354, 65945, 79134, 86110, 94721, 95590, 129165, 131890, 143385, 189442, 197835, 258330, 284163, 286770, 395670, 473605, 568326, 947210, 1041931, 1420815, 2083862, 2841630, 3125793, 5209655, 6251586, 10419310, 15628965, 31257930]

約数ペア:

[(1, 31257930), (2, 15628965), (3, 10419310), (5, 6251586), (6, 5209655), (10, 3125793), (11, 2841630), (15, 2083862), (22, 1420815), (30, 1041931), (33, 947210), (55, 568326), (66, 473605), (79, 395670), (109, 286770), (110, 284163), (121, 258330), (158, 197835), (165, 189442), (218, 143385), (237, 131890), (242, 129165), (327, 95590), (330, 94721), (363, 86110), (395, 79134), (474, 65945), (545, 57354), (605, 51666), (654, 47795), (726, 43055), (790, 39567), (869, 35970), (1090, 28677), (1185, 26378), (1199, 26070), (1210, 25833), (1635, 19118), (1738, 17985), (1815, 17222), (2370, 13189), (2398, 13035), (2607, 11990), (3270, 9559), (3597, 8690), (3630, 8611), (4345, 7194), (5214, 5995)]