2639560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 7413120

約数和(自身を除く): 4773560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 857, 1540, 1714, 3080, 3428, 4285, 5999, 6856, 8570, 9427, 11998, 17140, 18854, 23996, 29995, 34280, 37708, 47135, 47992, 59990, 65989, 75416, 94270, 119980, 131978, 188540, 239960, 263956, 329945, 377080, 527912, 659890, 1319780, 2639560]

約数ペア:

[(1, 2639560), (2, 1319780), (4, 659890), (5, 527912), (7, 377080), (8, 329945), (10, 263956), (11, 239960), (14, 188540), (20, 131978), (22, 119980), (28, 94270), (35, 75416), (40, 65989), (44, 59990), (55, 47992), (56, 47135), (70, 37708), (77, 34280), (88, 29995), (110, 23996), (140, 18854), (154, 17140), (220, 11998), (280, 9427), (308, 8570), (385, 6856), (440, 5999), (616, 4285), (770, 3428), (857, 3080), (1540, 1714)]