388140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6469}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 1086960

約数和(自身を除く): 698820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6469, 12938, 19407, 25876, 32345, 38814, 64690, 77628, 97035, 129380, 194070, 388140]

約数ペア:

[(1, 388140), (2, 194070), (3, 129380), (4, 97035), (5, 77628), (6, 64690), (10, 38814), (12, 32345), (15, 25876), (20, 19407), (30, 12938), (60, 6469)]