142720120

素因数分解:

$2^3\times 5^1\times {\mathrm{3568003}}^1$

素因数の和:3568014

約数の個数: 16

約数和(自身を含む): 321120360

約数和(自身を除く): 178400240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3568003, 7136006, 14272012, 17840015, 28544024, 35680030, 71360060, 142720120]

約数ペア:

[(1, 142720120), (2, 71360060), (4, 35680030), (5, 28544024), (8, 17840015), (10, 14272012), (20, 7136006), (40, 3568003)]