78863580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438131}}^1$

素因数の和:438146

約数の個数: 36

約数和(自身を含む): 239220072

約数和(自身を除く): 160356492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438131, 876262, 1314393, 1752524, 2190655, 2628786, 3943179, 4381310, 5257572, 6571965, 7886358, 8762620, 13143930, 15772716, 19715895, 26287860, 39431790, 78863580]

約数ペア:

[(1, 78863580), (2, 39431790), (3, 26287860), (4, 19715895), (5, 15772716), (6, 13143930), (9, 8762620), (10, 7886358), (12, 6571965), (15, 5257572), (18, 4381310), (20, 3943179), (30, 2628786), (36, 2190655), (45, 1752524), (60, 1314393), (90, 876262), (180, 438131)]