315069520

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8087}}^1$

素因数の和:8587

約数の個数: 40

約数和(自身を含む): 734131584

約数和(自身を除く): 419062064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3896, 4870, 7792, 8087, 9740, 16174, 19480, 32348, 38960, 40435, 64696, 80870, 129392, 161740, 323480, 646960, 3938369, 7876738, 15753476, 19691845, 31506952, 39383690, 63013904, 78767380, 157534760, 315069520]

約数ペア:

[(1, 315069520), (2, 157534760), (4, 78767380), (5, 63013904), (8, 39383690), (10, 31506952), (16, 19691845), (20, 15753476), (40, 7876738), (80, 3938369), (487, 646960), (974, 323480), (1948, 161740), (2435, 129392), (3896, 80870), (4870, 64696), (7792, 40435), (8087, 38960), (9740, 32348), (16174, 19480)]