280113660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{518729}}^1$

素因数の和:518747

約数の個数: 48

約数和(自身を含む): 871466400

約数和(自身を除く): 591352740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 518729, 1037458, 1556187, 2074916, 2593645, 3112374, 4668561, 5187290, 6224748, 7780935, 9337122, 10374580, 14005683, 15561870, 18674244, 23342805, 28011366, 31123740, 46685610, 56022732, 70028415, 93371220, 140056830, 280113660]

約数ペア:

[(1, 280113660), (2, 140056830), (3, 93371220), (4, 70028415), (5, 56022732), (6, 46685610), (9, 31123740), (10, 28011366), (12, 23342805), (15, 18674244), (18, 15561870), (20, 14005683), (27, 10374580), (30, 9337122), (36, 7780935), (45, 6224748), (54, 5187290), (60, 4668561), (90, 3112374), (108, 2593645), (135, 2074916), (180, 1556187), (270, 1037458), (540, 518729)]