128880660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2148011}}^1$

素因数の和:2148023

約数の個数: 24

約数和(自身を含む): 360866016

約数和(自身を除く): 231985356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2148011, 4296022, 6444033, 8592044, 10740055, 12888066, 21480110, 25776132, 32220165, 42960220, 64440330, 128880660]

約数ペア:

[(1, 128880660), (2, 64440330), (3, 42960220), (4, 32220165), (5, 25776132), (6, 21480110), (10, 12888066), (12, 10740055), (15, 8592044), (20, 6444033), (30, 4296022), (60, 2148011)]