121208720

素因数分解:

$2^4\times 5^1\times {\mathrm{1515109}}^1$

素因数の和:1515122

約数の個数: 20

約数和(自身を含む): 281810460

約数和(自身を除く): 160601740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1515109, 3030218, 6060436, 7575545, 12120872, 15151090, 24241744, 30302180, 60604360, 121208720]

約数ペア:

[(1, 121208720), (2, 60604360), (4, 30302180), (5, 24241744), (8, 15151090), (10, 12120872), (16, 7575545), (20, 6060436), (40, 3030218), (80, 1515109)]