646485720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5387381}}^1$

素因数の和:5387395

約数の個数: 32

約数和(自身を含む): 1939457520

約数和(自身を除く): 1292971800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5387381, 10774762, 16162143, 21549524, 26936905, 32324286, 43099048, 53873810, 64648572, 80810715, 107747620, 129297144, 161621430, 215495240, 323242860, 646485720]

約数ペア:

[(1, 646485720), (2, 323242860), (3, 215495240), (4, 161621430), (5, 129297144), (6, 107747620), (8, 80810715), (10, 64648572), (12, 53873810), (15, 43099048), (20, 32324286), (24, 26936905), (30, 21549524), (40, 16162143), (60, 10774762), (120, 5387381)]