315037640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{28433}}^1$

素因数の和:28721

約数の個数: 32

約数和(自身を含む): 711418680

約数和(自身を除く): 396381040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 28433, 56866, 113732, 142165, 227464, 284330, 568660, 1137320, 7875941, 15751882, 31503764, 39379705, 63007528, 78759410, 157518820, 315037640]

約数ペア:

[(1, 315037640), (2, 157518820), (4, 78759410), (5, 63007528), (8, 39379705), (10, 31503764), (20, 15751882), (40, 7875941), (277, 1137320), (554, 568660), (1108, 284330), (1385, 227464), (2216, 142165), (2770, 113732), (5540, 56866), (11080, 28433)]