40857720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{340481}}^1$

素因数の和:340495

約数の個数: 32

約数和(自身を含む): 122573520

約数和(自身を除く): 81715800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 340481, 680962, 1021443, 1361924, 1702405, 2042886, 2723848, 3404810, 4085772, 5107215, 6809620, 8171544, 10214430, 13619240, 20428860, 40857720]

約数ペア:

[(1, 40857720), (2, 20428860), (3, 13619240), (4, 10214430), (5, 8171544), (6, 6809620), (8, 5107215), (10, 4085772), (12, 3404810), (15, 2723848), (20, 2042886), (24, 1702405), (30, 1361924), (40, 1021443), (60, 680962), (120, 340481)]