151120720

素因数分解:

$2^4\times 5^1\times {\mathrm{1889009}}^1$

素因数の和:1889022

約数の個数: 20

約数和(自身を含む): 351355860

約数和(自身を除く): 200235140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1889009, 3778018, 7556036, 9445045, 15112072, 18890090, 30224144, 37780180, 75560360, 151120720]

約数ペア:

[(1, 151120720), (2, 75560360), (4, 37780180), (5, 30224144), (8, 18890090), (10, 15112072), (16, 9445045), (20, 7556036), (40, 3778018), (80, 1889009)]