31222740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{520379}}^1$

素因数の和:520391

約数の個数: 24

約数和(自身を含む): 87423840

約数和(自身を除く): 56201100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 520379, 1040758, 1561137, 2081516, 2601895, 3122274, 5203790, 6244548, 7805685, 10407580, 15611370, 31222740]

約数ペア:

[(1, 31222740), (2, 15611370), (3, 10407580), (4, 7805685), (5, 6244548), (6, 5203790), (10, 3122274), (12, 2601895), (15, 2081516), (20, 1561137), (30, 1040758), (60, 520379)]