81519090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3677}}^1$

素因数の和:4426

約数の個数: 32

約数和(自身を含む): 195963840

約数和(自身を除く): 114444750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 739, 1478, 2217, 3677, 3695, 4434, 7354, 7390, 11031, 11085, 18385, 22062, 22170, 36770, 55155, 110310, 2717303, 5434606, 8151909, 13586515, 16303818, 27173030, 40759545, 81519090]

約数ペア:

[(1, 81519090), (2, 40759545), (3, 27173030), (5, 16303818), (6, 13586515), (10, 8151909), (15, 5434606), (30, 2717303), (739, 110310), (1478, 55155), (2217, 36770), (3677, 22170), (3695, 22062), (4434, 18385), (7354, 11085), (7390, 11031)]