28531980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52837}}^1$

素因数の和:52855

約数の個数: 48

約数和(自身を含む): 88767840

約数和(自身を除く): 60235860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 52837, 105674, 158511, 211348, 264185, 317022, 475533, 528370, 634044, 792555, 951066, 1056740, 1426599, 1585110, 1902132, 2377665, 2853198, 3170220, 4755330, 5706396, 7132995, 9510660, 14265990, 28531980]

約数ペア:

[(1, 28531980), (2, 14265990), (3, 9510660), (4, 7132995), (5, 5706396), (6, 4755330), (9, 3170220), (10, 2853198), (12, 2377665), (15, 1902132), (18, 1585110), (20, 1426599), (27, 1056740), (30, 951066), (36, 792555), (45, 634044), (54, 528370), (60, 475533), (90, 317022), (108, 264185), (135, 211348), (180, 158511), (270, 105674), (540, 52837)]