28987020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{161039}}^1$

素因数の和:161054

約数の個数: 36

約数和(自身を含む): 87927840

約数和(自身を除く): 58940820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 161039, 322078, 483117, 644156, 805195, 966234, 1449351, 1610390, 1932468, 2415585, 2898702, 3220780, 4831170, 5797404, 7246755, 9662340, 14493510, 28987020]

約数ペア:

[(1, 28987020), (2, 14493510), (3, 9662340), (4, 7246755), (5, 5797404), (6, 4831170), (9, 3220780), (10, 2898702), (12, 2415585), (15, 1932468), (18, 1610390), (20, 1449351), (30, 966234), (36, 805195), (45, 644156), (60, 483117), (90, 322078), (180, 161039)]