57240680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204431}}^1$

素因数の和:204449

約数の個数: 32

約数和(自身を含む): 147191040

約数和(自身を除く): 89950360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204431, 408862, 817724, 1022155, 1431017, 1635448, 2044310, 2862034, 4088620, 5724068, 7155085, 8177240, 11448136, 14310170, 28620340, 57240680]

約数ペア:

[(1, 57240680), (2, 28620340), (4, 14310170), (5, 11448136), (7, 8177240), (8, 7155085), (10, 5724068), (14, 4088620), (20, 2862034), (28, 2044310), (35, 1635448), (40, 1431017), (56, 1022155), (70, 817724), (140, 408862), (280, 204431)]