2578740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{42979}}^1$

素因数の和:42991

約数の個数: 24

約数和(自身を含む): 7220640

約数和(自身を除く): 4641900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 42979, 85958, 128937, 171916, 214895, 257874, 429790, 515748, 644685, 859580, 1289370, 2578740]

約数ペア:

[(1, 2578740), (2, 1289370), (3, 859580), (4, 644685), (5, 515748), (6, 429790), (10, 257874), (12, 214895), (15, 171916), (20, 128937), (30, 85958), (60, 42979)]