663660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1229}}^1$

素因数の和:1247

約数の個数: 48

約数和(自身を含む): 2066400

約数和(自身を除く): 1402740

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, 1229, 2458, 3687, 4916, 6145, 7374, 11061, 12290, 14748, 18435, 22122, 24580, 33183, 36870, 44244, 55305, 66366, 73740, 110610, 132732, 165915, 221220, 331830, 663660]

約数ペア:

[(1, 663660), (2, 331830), (3, 221220), (4, 165915), (5, 132732), (6, 110610), (9, 73740), (10, 66366), (12, 55305), (15, 44244), (18, 36870), (20, 33183), (27, 24580), (30, 22122), (36, 18435), (45, 14748), (54, 12290), (60, 11061), (90, 7374), (108, 6145), (135, 4916), (180, 3687), (270, 2458), (540, 1229)]