51722220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78367}}^1$

素因数の和:78390

約数の個数: 48

約数和(自身を含む): 157989888

約数和(自身を除く): 106267668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 78367, 156734, 235101, 313468, 391835, 470202, 783670, 862037, 940404, 1175505, 1567340, 1724074, 2351010, 2586111, 3448148, 4310185, 4702020, 5172222, 8620370, 10344444, 12930555, 17240740, 25861110, 51722220]

約数ペア:

[(1, 51722220), (2, 25861110), (3, 17240740), (4, 12930555), (5, 10344444), (6, 8620370), (10, 5172222), (11, 4702020), (12, 4310185), (15, 3448148), (20, 2586111), (22, 2351010), (30, 1724074), (33, 1567340), (44, 1175505), (55, 940404), (60, 862037), (66, 783670), (110, 470202), (132, 391835), (165, 313468), (220, 235101), (330, 156734), (660, 78367)]