28788660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159937}}^1$

素因数の和:159952

約数の個数: 36

約数和(自身を含む): 87326148

約数和(自身を除く): 58537488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159937, 319874, 479811, 639748, 799685, 959622, 1439433, 1599370, 1919244, 2399055, 2878866, 3198740, 4798110, 5757732, 7197165, 9596220, 14394330, 28788660]

約数ペア:

[(1, 28788660), (2, 14394330), (3, 9596220), (4, 7197165), (5, 5757732), (6, 4798110), (9, 3198740), (10, 2878866), (12, 2399055), (15, 1919244), (18, 1599370), (20, 1439433), (30, 959622), (36, 799685), (45, 639748), (60, 479811), (90, 319874), (180, 159937)]