31263240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260527}}^1$

素因数の和:260541

約数の個数: 32

約数和(自身を含む): 93790080

約数和(自身を除く): 62526840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260527, 521054, 781581, 1042108, 1302635, 1563162, 2084216, 2605270, 3126324, 3907905, 5210540, 6252648, 7815810, 10421080, 15631620, 31263240]

約数ペア:

[(1, 31263240), (2, 15631620), (3, 10421080), (4, 7815810), (5, 6252648), (6, 5210540), (8, 3907905), (10, 3126324), (12, 2605270), (15, 2084216), (20, 1563162), (24, 1302635), (30, 1042108), (40, 781581), (60, 521054), (120, 260527)]