80778540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1346309}}^1$

素因数の和:1346321

約数の個数: 24

約数和(自身を含む): 226180080

約数和(自身を除く): 145401540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1346309, 2692618, 4038927, 5385236, 6731545, 8077854, 13463090, 16155708, 20194635, 26926180, 40389270, 80778540]

約数ペア:

[(1, 80778540), (2, 40389270), (3, 26926180), (4, 20194635), (5, 16155708), (6, 13463090), (10, 8077854), (12, 6731545), (15, 5385236), (20, 4038927), (30, 2692618), (60, 1346309)]