15720660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87337}}^1$

素因数の和:87352

約数の個数: 36

約数和(自身を含む): 47686548

約数和(自身を除く): 31965888

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87337, 174674, 262011, 349348, 436685, 524022, 786033, 873370, 1048044, 1310055, 1572066, 1746740, 2620110, 3144132, 3930165, 5240220, 7860330, 15720660]

約数ペア:

[(1, 15720660), (2, 7860330), (3, 5240220), (4, 3930165), (5, 3144132), (6, 2620110), (9, 1746740), (10, 1572066), (12, 1310055), (15, 1048044), (18, 873370), (20, 786033), (30, 524022), (36, 436685), (45, 349348), (60, 262011), (90, 174674), (180, 87337)]