28287780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1399}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 79497600

約数和(自身を除く): 51209820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 1011, 1348, 1399, 1685, 2022, 2798, 3370, 4044, 4197, 5055, 5596, 6740, 6995, 8394, 10110, 13990, 16788, 20220, 20985, 27980, 41970, 83940, 471463, 942926, 1414389, 1885852, 2357315, 2828778, 4714630, 5657556, 7071945, 9429260, 14143890, 28287780]

約数ペア:

[(1, 28287780), (2, 14143890), (3, 9429260), (4, 7071945), (5, 5657556), (6, 4714630), (10, 2828778), (12, 2357315), (15, 1885852), (20, 1414389), (30, 942926), (60, 471463), (337, 83940), (674, 41970), (1011, 27980), (1348, 20985), (1399, 20220), (1685, 16788), (2022, 13990), (2798, 10110), (3370, 8394), (4044, 6995), (4197, 6740), (5055, 5596)]