15123140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4639}}^1$

素因数の和:4811

約数の個数: 24

約数和(自身を含む): 31960320

約数和(自身を除く): 16837180

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4639, 9278, 18556, 23195, 46390, 92780, 756157, 1512314, 3024628, 3780785, 7561570, 15123140]

約数ペア:

[(1, 15123140), (2, 7561570), (4, 3780785), (5, 3024628), (10, 1512314), (20, 756157), (163, 92780), (326, 46390), (652, 23195), (815, 18556), (1630, 9278), (3260, 4639)]