257543760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1073099}}^1$

素因数の和:1073115

約数の個数: 40

約数和(自身を含む): 798386400

約数和(自身を除く): 540842640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1073099, 2146198, 3219297, 4292396, 5365495, 6438594, 8584792, 10730990, 12877188, 16096485, 17169584, 21461980, 25754376, 32192970, 42923960, 51508752, 64385940, 85847920, 128771880, 257543760]

約数ペア:

[(1, 257543760), (2, 128771880), (3, 85847920), (4, 64385940), (5, 51508752), (6, 42923960), (8, 32192970), (10, 25754376), (12, 21461980), (15, 17169584), (16, 16096485), (20, 12877188), (24, 10730990), (30, 8584792), (40, 6438594), (48, 5365495), (60, 4292396), (80, 3219297), (120, 2146198), (240, 1073099)]