15903140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72287}}^1$

素因数の和:72307

約数の個数: 24

約数和(自身を含む): 36433152

約数和(自身を除く): 20530012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72287, 144574, 289148, 361435, 722870, 795157, 1445740, 1590314, 3180628, 3975785, 7951570, 15903140]

約数ペア:

[(1, 15903140), (2, 7951570), (4, 3975785), (5, 3180628), (10, 1590314), (11, 1445740), (20, 795157), (22, 722870), (44, 361435), (55, 289148), (110, 144574), (220, 72287)]