28776780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159871}}^1$

素因数の和:159886

約数の個数: 36

約数和(自身を含む): 87290112

約数和(自身を除く): 58513332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159871, 319742, 479613, 639484, 799355, 959226, 1438839, 1598710, 1918452, 2398065, 2877678, 3197420, 4796130, 5755356, 7194195, 9592260, 14388390, 28776780]

約数ペア:

[(1, 28776780), (2, 14388390), (3, 9592260), (4, 7194195), (5, 5755356), (6, 4796130), (9, 3197420), (10, 2877678), (12, 2398065), (15, 1918452), (18, 1598710), (20, 1438839), (30, 959226), (36, 799355), (45, 639484), (60, 479613), (90, 319742), (180, 159871)]