81136140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352269}}^1$

素因数の和:1352281

約数の個数: 24

約数和(自身を含む): 227181360

約数和(自身を除く): 146045220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352269, 2704538, 4056807, 5409076, 6761345, 8113614, 13522690, 16227228, 20284035, 27045380, 40568070, 81136140]

約数ペア:

[(1, 81136140), (2, 40568070), (3, 27045380), (4, 20284035), (5, 16227228), (6, 13522690), (10, 8113614), (12, 6761345), (15, 5409076), (20, 4056807), (30, 2704538), (60, 1352269)]