1520720

素因数分解:

$2^4\times 5^1\times {\mathrm{19009}}^1$

素因数の和:19022

約数の個数: 20

約数和(自身を含む): 3535860

約数和(自身を除く): 2015140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19009, 38018, 76036, 95045, 152072, 190090, 304144, 380180, 760360, 1520720]

約数ペア:

[(1, 1520720), (2, 760360), (4, 380180), (5, 304144), (8, 190090), (10, 152072), (16, 95045), (20, 76036), (40, 38018), (80, 19009)]