28878660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53479}}^1$

素因数の和:53497

約数の個数: 48

約数和(自身を含む): 89846400

約数和(自身を除く): 60967740

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, 53479, 106958, 160437, 213916, 267395, 320874, 481311, 534790, 641748, 802185, 962622, 1069580, 1443933, 1604370, 1925244, 2406555, 2887866, 3208740, 4813110, 5775732, 7219665, 9626220, 14439330, 28878660]

約数ペア:

[(1, 28878660), (2, 14439330), (3, 9626220), (4, 7219665), (5, 5775732), (6, 4813110), (9, 3208740), (10, 2887866), (12, 2406555), (15, 1925244), (18, 1604370), (20, 1443933), (27, 1069580), (30, 962622), (36, 802185), (45, 641748), (54, 534790), (60, 481311), (90, 320874), (108, 267395), (135, 213916), (180, 160437), (270, 106958), (540, 53479)]