213221640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1776847}}^1$

素因数の和:1776861

約数の個数: 32

約数和(自身を含む): 639665280

約数和(自身を除く): 426443640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1776847, 3553694, 5330541, 7107388, 8884235, 10661082, 14214776, 17768470, 21322164, 26652705, 35536940, 42644328, 53305410, 71073880, 106610820, 213221640]

約数ペア:

[(1, 213221640), (2, 106610820), (3, 71073880), (4, 53305410), (5, 42644328), (6, 35536940), (8, 26652705), (10, 21322164), (12, 17768470), (15, 14214776), (20, 10661082), (24, 8884235), (30, 7107388), (40, 5330541), (60, 3553694), (120, 1776847)]