81253740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1354229}}^1$

素因数の和:1354241

約数の個数: 24

約数和(自身を含む): 227510640

約数和(自身を除く): 146256900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1354229, 2708458, 4062687, 5416916, 6771145, 8125374, 13542290, 16250748, 20313435, 27084580, 40626870, 81253740]

約数ペア:

[(1, 81253740), (2, 40626870), (3, 27084580), (4, 20313435), (5, 16250748), (6, 13542290), (10, 8125374), (12, 6771145), (15, 5416916), (20, 4062687), (30, 2708458), (60, 1354229)]