61856820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{343649}}^1$

素因数の和:343664

約数の個数: 36

約数和(自身を含む): 187632900

約数和(自身を除く): 125776080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 343649, 687298, 1030947, 1374596, 1718245, 2061894, 3092841, 3436490, 4123788, 5154735, 6185682, 6872980, 10309470, 12371364, 15464205, 20618940, 30928410, 61856820]

約数ペア:

[(1, 61856820), (2, 30928410), (3, 20618940), (4, 15464205), (5, 12371364), (6, 10309470), (9, 6872980), (10, 6185682), (12, 5154735), (15, 4123788), (18, 3436490), (20, 3092841), (30, 2061894), (36, 1718245), (45, 1374596), (60, 1030947), (90, 687298), (180, 343649)]