77428140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1290469}}^1$

素因数の和:1290481

約数の個数: 24

約数和(自身を含む): 216798960

約数和(自身を除く): 139370820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1290469, 2580938, 3871407, 5161876, 6452345, 7742814, 12904690, 15485628, 19357035, 25809380, 38714070, 77428140]

約数ペア:

[(1, 77428140), (2, 38714070), (3, 25809380), (4, 19357035), (5, 15485628), (6, 12904690), (10, 7742814), (12, 6452345), (15, 5161876), (20, 3871407), (30, 2580938), (60, 1290469)]