81257460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1354291}}^1$

素因数の和:1354303

約数の個数: 24

約数和(自身を含む): 227521056

約数和(自身を除く): 146263596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1354291, 2708582, 4062873, 5417164, 6771455, 8125746, 13542910, 16251492, 20314365, 27085820, 40628730, 81257460]

約数ペア:

[(1, 81257460), (2, 40628730), (3, 27085820), (4, 20314365), (5, 16251492), (6, 13542910), (10, 8125746), (12, 6771455), (15, 5417164), (20, 4062873), (30, 2708582), (60, 1354291)]