210399660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{389629}}^1$

素因数の和:389647

約数の個数: 48

約数和(自身を含む): 654578400

約数和(自身を除く): 444178740

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, 389629, 779258, 1168887, 1558516, 1948145, 2337774, 3506661, 3896290, 4675548, 5844435, 7013322, 7792580, 10519983, 11688870, 14026644, 17533305, 21039966, 23377740, 35066610, 42079932, 52599915, 70133220, 105199830, 210399660]

約数ペア:

[(1, 210399660), (2, 105199830), (3, 70133220), (4, 52599915), (5, 42079932), (6, 35066610), (9, 23377740), (10, 21039966), (12, 17533305), (15, 14026644), (18, 11688870), (20, 10519983), (27, 7792580), (30, 7013322), (36, 5844435), (45, 4675548), (54, 3896290), (60, 3506661), (90, 2337774), (108, 1948145), (135, 1558516), (180, 1168887), (270, 779258), (540, 389629)]