66639440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 178655232

約数和(自身を除く): 112015792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 937, 1016, 1270, 1778, 1874, 2032, 2540, 3556, 3748, 4445, 4685, 5080, 6559, 7112, 7496, 8890, 9370, 10160, 13118, 14224, 14992, 17780, 18740, 26236, 32795, 35560, 37480, 52472, 65590, 71120, 74960, 104944, 118999, 131180, 237998, 262360, 475996, 524720, 594995, 832993, 951992, 1189990, 1665986, 1903984, 2379980, 3331972, 4164965, 4759960, 6663944, 8329930, 9519920, 13327888, 16659860, 33319720, 66639440]

約数ペア:

[(1, 66639440), (2, 33319720), (4, 16659860), (5, 13327888), (7, 9519920), (8, 8329930), (10, 6663944), (14, 4759960), (16, 4164965), (20, 3331972), (28, 2379980), (35, 1903984), (40, 1665986), (56, 1189990), (70, 951992), (80, 832993), (112, 594995), (127, 524720), (140, 475996), (254, 262360), (280, 237998), (508, 131180), (560, 118999), (635, 104944), (889, 74960), (937, 71120), (1016, 65590), (1270, 52472), (1778, 37480), (1874, 35560), (2032, 32795), (2540, 26236), (3556, 18740), (3748, 17780), (4445, 14992), (4685, 14224), (5080, 13118), (6559, 10160), (7112, 9370), (7496, 8890)]