80722728

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{4691}}^1$

素因数の和:4942

約数の個数: 48

約数和(自身を含む): 219585600

約数和(自身を除く): 138862872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1434, 1912, 2151, 2868, 4302, 4691, 5736, 8604, 9382, 14073, 17208, 18764, 28146, 37528, 42219, 56292, 84438, 112584, 168876, 337752, 1121149, 2242298, 3363447, 4484596, 6726894, 8969192, 10090341, 13453788, 20180682, 26907576, 40361364, 80722728]

約数ペア:

[(1, 80722728), (2, 40361364), (3, 26907576), (4, 20180682), (6, 13453788), (8, 10090341), (9, 8969192), (12, 6726894), (18, 4484596), (24, 3363447), (36, 2242298), (72, 1121149), (239, 337752), (478, 168876), (717, 112584), (956, 84438), (1434, 56292), (1912, 42219), (2151, 37528), (2868, 28146), (4302, 18764), (4691, 17208), (5736, 14073), (8604, 9382)]