80437620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1340627}}^1$

素因数の和:1340639

約数の個数: 24

約数和(自身を含む): 225225504

約数和(自身を除く): 144787884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1340627, 2681254, 4021881, 5362508, 6703135, 8043762, 13406270, 16087524, 20109405, 26812540, 40218810, 80437620]

約数ペア:

[(1, 80437620), (2, 40218810), (3, 26812540), (4, 20109405), (5, 16087524), (6, 13406270), (10, 8043762), (12, 6703135), (15, 5362508), (20, 4021881), (30, 2681254), (60, 1340627)]