778740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{12979}}^1$

素因数の和:12991

約数の個数: 24

約数和(自身を含む): 2180640

約数和(自身を除く): 1401900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 12979, 25958, 38937, 51916, 64895, 77874, 129790, 155748, 194685, 259580, 389370, 778740]

約数ペア:

[(1, 778740), (2, 389370), (3, 259580), (4, 194685), (5, 155748), (6, 129790), (10, 77874), (12, 64895), (15, 51916), (20, 38937), (30, 25958), (60, 12979)]