1291020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21517}}^1$

素因数の和:21529

約数の個数: 24

約数和(自身を含む): 3615024

約数和(自身を除く): 2324004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21517, 43034, 64551, 86068, 107585, 129102, 215170, 258204, 322755, 430340, 645510, 1291020]

約数ペア:

[(1, 1291020), (2, 645510), (3, 430340), (4, 322755), (5, 258204), (6, 215170), (10, 129102), (12, 107585), (15, 86068), (20, 64551), (30, 43034), (60, 21517)]