78937620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315627}}^1$

素因数の和:1315639

約数の個数: 24

約数和(自身を含む): 221025504

約数和(自身を除く): 142087884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315627, 2631254, 3946881, 5262508, 6578135, 7893762, 13156270, 15787524, 19734405, 26312540, 39468810, 78937620]

約数ペア:

[(1, 78937620), (2, 39468810), (3, 26312540), (4, 19734405), (5, 15787524), (6, 13156270), (10, 7893762), (12, 6578135), (15, 5262508), (20, 3946881), (30, 2631254), (60, 1315627)]