81508740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1358479}}^1$

素因数の和:1358491

約数の個数: 24

約数和(自身を含む): 228224640

約数和(自身を除く): 146715900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1358479, 2716958, 4075437, 5433916, 6792395, 8150874, 13584790, 16301748, 20377185, 27169580, 40754370, 81508740]

約数ペア:

[(1, 81508740), (2, 40754370), (3, 27169580), (4, 20377185), (5, 16301748), (6, 13584790), (10, 8150874), (12, 6792395), (15, 5433916), (20, 4075437), (30, 2716958), (60, 1358479)]