128640660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2144011}}^1$

素因数の和:2144023

約数の個数: 24

約数和(自身を含む): 360194016

約数和(自身を除く): 231553356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2144011, 4288022, 6432033, 8576044, 10720055, 12864066, 21440110, 25728132, 32160165, 42880220, 64320330, 128640660]

約数ペア:

[(1, 128640660), (2, 64320330), (3, 42880220), (4, 32160165), (5, 25728132), (6, 21440110), (10, 12864066), (12, 10720055), (15, 8576044), (20, 6432033), (30, 4288022), (60, 2144011)]