128416020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2140267}}^1$

素因数の和:2140279

約数の個数: 24

約数和(自身を含む): 359565024

約数和(自身を除く): 231149004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2140267, 4280534, 6420801, 8561068, 10701335, 12841602, 21402670, 25683204, 32104005, 42805340, 64208010, 128416020]

約数ペア:

[(1, 128416020), (2, 64208010), (3, 42805340), (4, 32104005), (5, 25683204), (6, 21402670), (10, 12841602), (12, 10701335), (15, 8561068), (20, 6420801), (30, 4280534), (60, 2140267)]