1666280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 4682880

約数和(自身を除く): 3016600

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, 541, 616, 770, 1082, 1540, 2164, 2705, 3080, 3787, 4328, 5410, 5951, 7574, 10820, 11902, 15148, 18935, 21640, 23804, 29755, 30296, 37870, 41657, 47608, 59510, 75740, 83314, 119020, 151480, 166628, 208285, 238040, 333256, 416570, 833140, 1666280]

約数ペア:

[(1, 1666280), (2, 833140), (4, 416570), (5, 333256), (7, 238040), (8, 208285), (10, 166628), (11, 151480), (14, 119020), (20, 83314), (22, 75740), (28, 59510), (35, 47608), (40, 41657), (44, 37870), (55, 30296), (56, 29755), (70, 23804), (77, 21640), (88, 18935), (110, 15148), (140, 11902), (154, 10820), (220, 7574), (280, 5951), (308, 5410), (385, 4328), (440, 3787), (541, 3080), (616, 2705), (770, 2164), (1082, 1540)]