81156556860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352609281}}^1$

素因数の和:1352609293

約数の個数: 24

約数和(自身を含む): 227238359376

約数和(自身を除く): 146081802516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352609281, 2705218562, 4057827843, 5410437124, 6763046405, 8115655686, 13526092810, 16231311372, 20289139215, 27052185620, 40578278430, 81156556860]

約数ペア:

[(1, 81156556860), (2, 40578278430), (3, 27052185620), (4, 20289139215), (5, 16231311372), (6, 13526092810), (10, 8115655686), (12, 6763046405), (15, 5410437124), (20, 4057827843), (30, 2705218562), (60, 1352609281)]