15609740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 20242804

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1481, 2108, 2635, 2962, 5270, 5924, 7405, 10540, 14810, 25177, 29620, 45911, 50354, 91822, 100708, 125885, 183644, 229555, 251770, 459110, 503540, 780487, 918220, 1560974, 3121948, 3902435, 7804870, 15609740]

約数ペア:

[(1, 15609740), (2, 7804870), (4, 3902435), (5, 3121948), (10, 1560974), (17, 918220), (20, 780487), (31, 503540), (34, 459110), (62, 251770), (68, 229555), (85, 183644), (124, 125885), (155, 100708), (170, 91822), (310, 50354), (340, 45911), (527, 29620), (620, 25177), (1054, 14810), (1481, 10540), (2108, 7405), (2635, 5924), (2962, 5270)]