640170120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5334751}}^1$

素因数の和:5334765

約数の個数: 32

約数和(自身を含む): 1920510720

約数和(自身を除く): 1280340600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5334751, 10669502, 16004253, 21339004, 26673755, 32008506, 42678008, 53347510, 64017012, 80021265, 106695020, 128034024, 160042530, 213390040, 320085060, 640170120]

約数ペア:

[(1, 640170120), (2, 320085060), (3, 213390040), (4, 160042530), (5, 128034024), (6, 106695020), (8, 80021265), (10, 64017012), (12, 53347510), (15, 42678008), (20, 32008506), (24, 26673755), (30, 21339004), (40, 16004253), (60, 10669502), (120, 5334751)]