66847480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 172923840

約数和(自身を除く): 106076360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1237, 1351, 1544, 1930, 2474, 2702, 3860, 4948, 5404, 6185, 6755, 7720, 8659, 9896, 10808, 12370, 13510, 17318, 24740, 27020, 34636, 43295, 49480, 54040, 69272, 86590, 173180, 238741, 346360, 477482, 954964, 1193705, 1671187, 1909928, 2387410, 3342374, 4774820, 6684748, 8355935, 9549640, 13369496, 16711870, 33423740, 66847480]

約数ペア:

[(1, 66847480), (2, 33423740), (4, 16711870), (5, 13369496), (7, 9549640), (8, 8355935), (10, 6684748), (14, 4774820), (20, 3342374), (28, 2387410), (35, 1909928), (40, 1671187), (56, 1193705), (70, 954964), (140, 477482), (193, 346360), (280, 238741), (386, 173180), (772, 86590), (965, 69272), (1237, 54040), (1351, 49480), (1544, 43295), (1930, 34636), (2474, 27020), (2702, 24740), (3860, 17318), (4948, 13510), (5404, 12370), (6185, 10808), (6755, 9896), (7720, 8659)]