80365980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1339433}}^1$

素因数の和:1339445

約数の個数: 24

約数和(自身を含む): 225024912

約数和(自身を除く): 144658932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1339433, 2678866, 4018299, 5357732, 6697165, 8036598, 13394330, 16073196, 20091495, 26788660, 40182990, 80365980]

約数ペア:

[(1, 80365980), (2, 40182990), (3, 26788660), (4, 20091495), (5, 16073196), (6, 13394330), (10, 8036598), (12, 6697165), (15, 5357732), (20, 4018299), (30, 2678866), (60, 1339433)]