16405980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{273433}}^1$

素因数の和:273445

約数の個数: 24

約数和(自身を含む): 45936912

約数和(自身を除く): 29530932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 273433, 546866, 820299, 1093732, 1367165, 1640598, 2734330, 3281196, 4101495, 5468660, 8202990, 16405980]

約数ペア:

[(1, 16405980), (2, 8202990), (3, 5468660), (4, 4101495), (5, 3281196), (6, 2734330), (10, 1640598), (12, 1367165), (15, 1093732), (20, 820299), (30, 546866), (60, 273433)]