81559740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1359329}}^1$

素因数の和:1359341

約数の個数: 24

約数和(自身を含む): 228367440

約数和(自身を除く): 146807700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1359329, 2718658, 4077987, 5437316, 6796645, 8155974, 13593290, 16311948, 20389935, 27186580, 40779870, 81559740]

約数ペア:

[(1, 81559740), (2, 40779870), (3, 27186580), (4, 20389935), (5, 16311948), (6, 13593290), (10, 8155974), (12, 6796645), (15, 5437316), (20, 4077987), (30, 2718658), (60, 1359329)]