80542740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1342379}}^1$

素因数の和:1342391

約数の個数: 24

約数和(自身を含む): 225519840

約数和(自身を除く): 144977100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1342379, 2684758, 4027137, 5369516, 6711895, 8054274, 13423790, 16108548, 20135685, 26847580, 40271370, 80542740]

約数ペア:

[(1, 80542740), (2, 40271370), (3, 26847580), (4, 20135685), (5, 16108548), (6, 13423790), (10, 8054274), (12, 6711895), (15, 5369516), (20, 4027137), (30, 2684758), (60, 1342379)]