218969460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{405499}}^1$

素因数の和:405517

約数の個数: 48

約数和(自身を含む): 681240000

約数和(自身を除く): 462270540

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, 405499, 810998, 1216497, 1621996, 2027495, 2432994, 3649491, 4054990, 4865988, 6082485, 7298982, 8109980, 10948473, 12164970, 14597964, 18247455, 21896946, 24329940, 36494910, 43793892, 54742365, 72989820, 109484730, 218969460]

約数ペア:

[(1, 218969460), (2, 109484730), (3, 72989820), (4, 54742365), (5, 43793892), (6, 36494910), (9, 24329940), (10, 21896946), (12, 18247455), (15, 14597964), (18, 12164970), (20, 10948473), (27, 8109980), (30, 7298982), (36, 6082485), (45, 4865988), (54, 4054990), (60, 3649491), (90, 2432994), (108, 2027495), (135, 1621996), (180, 1216497), (270, 810998), (540, 405499)]