20928117120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{56477}}^1$

素因数の和:56692

約数の個数: 128

約数和(自身を含む): 67055199840

約数和(自身を除く): 46127082720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 193, 240, 320, 384, 386, 480, 579, 640, 772, 960, 965, 1158, 1544, 1920, 1930, 2316, 2895, 3088, 3860, 4632, 5790, 6176, 7720, 9264, 11580, 12352, 15440, 18528, 23160, 24704, 30880, 37056, 46320, 56477, 61760, 74112, 92640, 112954, 123520, 169431, 185280, 225908, 282385, 338862, 370560, 451816, 564770, 677724, 847155, 903632, 1129540, 1355448, 1694310, 1807264, 2259080, 2710896, 3388620, 3614528, 4518160, 5421792, 6777240, 7229056, 9036320, 10843584, 10900061, 13554480, 18072640, 21687168, 21800122, 27108960, 32700183, 36145280, 43600244, 54217920, 54500305, 65400366, 87200488, 108435840, 109000610, 130800732, 163500915, 174400976, 218001220, 261601464, 327001830, 348801952, 436002440, 523202928, 654003660, 697603904, 872004880, 1046405856, 1308007320, 1395207808, 1744009760, 2092811712, 2616014640, 3488019520, 4185623424, 5232029280, 6976039040, 10464058560, 20928117120]

約数ペア:

[(1, 20928117120), (2, 10464058560), (3, 6976039040), (4, 5232029280), (5, 4185623424), (6, 3488019520), (8, 2616014640), (10, 2092811712), (12, 1744009760), (15, 1395207808), (16, 1308007320), (20, 1046405856), (24, 872004880), (30, 697603904), (32, 654003660), (40, 523202928), (48, 436002440), (60, 348801952), (64, 327001830), (80, 261601464), (96, 218001220), (120, 174400976), (128, 163500915), (160, 130800732), (192, 109000610), (193, 108435840), (240, 87200488), (320, 65400366), (384, 54500305), (386, 54217920), (480, 43600244), (579, 36145280), (640, 32700183), (772, 27108960), (960, 21800122), (965, 21687168), (1158, 18072640), (1544, 13554480), (1920, 10900061), (1930, 10843584), (2316, 9036320), (2895, 7229056), (3088, 6777240), (3860, 5421792), (4632, 4518160), (5790, 3614528), (6176, 3388620), (7720, 2710896), (9264, 2259080), (11580, 1807264), (12352, 1694310), (15440, 1355448), (18528, 1129540), (23160, 903632), (24704, 847155), (30880, 677724), (37056, 564770), (46320, 451816), (56477, 370560), (61760, 338862), (74112, 282385), (92640, 225908), (112954, 185280), (123520, 169431)]