121772720

素因数分解:

$2^4\times 5^1\times {\mathrm{1522159}}^1$

素因数の和:1522172

約数の個数: 20

約数和(自身を含む): 283121760

約数和(自身を除く): 161349040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1522159, 3044318, 6088636, 7610795, 12177272, 15221590, 24354544, 30443180, 60886360, 121772720]

約数ペア:

[(1, 121772720), (2, 60886360), (4, 30443180), (5, 24354544), (8, 15221590), (10, 12177272), (16, 7610795), (20, 6088636), (40, 3044318), (80, 1522159)]