77878740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1297979}}^1$

素因数の和:1297991

約数の個数: 24

約数和(自身を含む): 218060640

約数和(自身を除く): 140181900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1297979, 2595958, 3893937, 5191916, 6489895, 7787874, 12979790, 15575748, 19469685, 25959580, 38939370, 77878740]

約数ペア:

[(1, 77878740), (2, 38939370), (3, 25959580), (4, 19469685), (5, 15575748), (6, 12979790), (10, 7787874), (12, 6489895), (15, 5191916), (20, 3893937), (30, 2595958), (60, 1297979)]