218458980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1213661}}^1$

素因数の和:1213676

約数の個数: 36

約数和(自身を含む): 662659452

約数和(自身を除く): 444200472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1213661, 2427322, 3640983, 4854644, 6068305, 7281966, 10922949, 12136610, 14563932, 18204915, 21845898, 24273220, 36409830, 43691796, 54614745, 72819660, 109229490, 218458980]

約数ペア:

[(1, 218458980), (2, 109229490), (3, 72819660), (4, 54614745), (5, 43691796), (6, 36409830), (9, 24273220), (10, 21845898), (12, 18204915), (15, 14563932), (18, 12136610), (20, 10922949), (30, 7281966), (36, 6068305), (45, 4854644), (60, 3640983), (90, 2427322), (180, 1213661)]