56921480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18481}}^1$

素因数の和:18510

約数の個数: 64

約数和(自身を含む): 159684480

約数和(自身を除く): 102763000

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, 1540, 3080, 18481, 36962, 73924, 92405, 129367, 147848, 184810, 203291, 258734, 369620, 406582, 517468, 646835, 739240, 813164, 1016455, 1034936, 1293670, 1423037, 1626328, 2032910, 2587340, 2846074, 4065820, 5174680, 5692148, 7115185, 8131640, 11384296, 14230370, 28460740, 56921480]

約数ペア:

[(1, 56921480), (2, 28460740), (4, 14230370), (5, 11384296), (7, 8131640), (8, 7115185), (10, 5692148), (11, 5174680), (14, 4065820), (20, 2846074), (22, 2587340), (28, 2032910), (35, 1626328), (40, 1423037), (44, 1293670), (55, 1034936), (56, 1016455), (70, 813164), (77, 739240), (88, 646835), (110, 517468), (140, 406582), (154, 369620), (220, 258734), (280, 203291), (308, 184810), (385, 147848), (440, 129367), (616, 92405), (770, 73924), (1540, 36962), (3080, 18481)]