72721020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1212017}}^1$

素因数の和:1212029

約数の個数: 24

約数和(自身を含む): 203619024

約数和(自身を除く): 130898004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1212017, 2424034, 3636051, 4848068, 6060085, 7272102, 12120170, 14544204, 18180255, 24240340, 36360510, 72721020]

約数ペア:

[(1, 72721020), (2, 36360510), (3, 24240340), (4, 18180255), (5, 14544204), (6, 12120170), (10, 7272102), (12, 6060085), (15, 4848068), (20, 3636051), (30, 2424034), (60, 1212017)]