51223480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16631}}^1$

素因数の和:16660

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 92477000

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, 16631, 33262, 66524, 83155, 116417, 133048, 166310, 182941, 232834, 332620, 365882, 465668, 582085, 665240, 731764, 914705, 931336, 1164170, 1280587, 1463528, 1829410, 2328340, 2561174, 3658820, 4656680, 5122348, 6402935, 7317640, 10244696, 12805870, 25611740, 51223480]

約数ペア:

[(1, 51223480), (2, 25611740), (4, 12805870), (5, 10244696), (7, 7317640), (8, 6402935), (10, 5122348), (11, 4656680), (14, 3658820), (20, 2561174), (22, 2328340), (28, 1829410), (35, 1463528), (40, 1280587), (44, 1164170), (55, 931336), (56, 914705), (70, 731764), (77, 665240), (88, 582085), (110, 465668), (140, 365882), (154, 332620), (220, 232834), (280, 182941), (308, 166310), (385, 133048), (440, 116417), (616, 83155), (770, 66524), (1540, 33262), (3080, 16631)]