81240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 244080

約数和(自身を除く): 162840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677, 1354, 2031, 2708, 3385, 4062, 5416, 6770, 8124, 10155, 13540, 16248, 20310, 27080, 40620, 81240]

約数ペア:

[(1, 81240), (2, 40620), (3, 27080), (4, 20310), (5, 16248), (6, 13540), (8, 10155), (10, 8124), (12, 6770), (15, 5416), (20, 4062), (24, 3385), (30, 2708), (40, 2031), (60, 1354), (120, 677)]