30280360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68819}}^1$

素因数の和:68841

約数の個数: 32

約数和(自身を含む): 74325600

約数和(自身を除く): 44045240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68819, 137638, 275276, 344095, 550552, 688190, 757009, 1376380, 1514018, 2752760, 3028036, 3785045, 6056072, 7570090, 15140180, 30280360]

約数ペア:

[(1, 30280360), (2, 15140180), (4, 7570090), (5, 6056072), (8, 3785045), (10, 3028036), (11, 2752760), (20, 1514018), (22, 1376380), (40, 757009), (44, 688190), (55, 550552), (88, 344095), (110, 275276), (220, 137638), (440, 68819)]