81490020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1358167}}^1$

素因数の和:1358179

約数の個数: 24

約数和(自身を含む): 228172224

約数和(自身を除く): 146682204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1358167, 2716334, 4074501, 5432668, 6790835, 8149002, 13581670, 16298004, 20372505, 27163340, 40745010, 81490020]

約数ペア:

[(1, 81490020), (2, 40745010), (3, 27163340), (4, 20372505), (5, 16298004), (6, 13581670), (10, 8149002), (12, 6790835), (15, 5432668), (20, 4074501), (30, 2716334), (60, 1358167)]