2780784

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 8228640

約数和(自身を除く): 5447856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 157, 164, 216, 246, 314, 328, 369, 432, 471, 492, 628, 656, 738, 942, 984, 1107, 1256, 1413, 1476, 1884, 1968, 2214, 2512, 2826, 2952, 3768, 4239, 4428, 5652, 5904, 6437, 7536, 8478, 8856, 11304, 12874, 16956, 17712, 19311, 22608, 25748, 33912, 38622, 51496, 57933, 67824, 77244, 102992, 115866, 154488, 173799, 231732, 308976, 347598, 463464, 695196, 926928, 1390392, 2780784]

約数ペア:

[(1, 2780784), (2, 1390392), (3, 926928), (4, 695196), (6, 463464), (8, 347598), (9, 308976), (12, 231732), (16, 173799), (18, 154488), (24, 115866), (27, 102992), (36, 77244), (41, 67824), (48, 57933), (54, 51496), (72, 38622), (82, 33912), (108, 25748), (123, 22608), (144, 19311), (157, 17712), (164, 16956), (216, 12874), (246, 11304), (314, 8856), (328, 8478), (369, 7536), (432, 6437), (471, 5904), (492, 5652), (628, 4428), (656, 4239), (738, 3768), (942, 2952), (984, 2826), (1107, 2512), (1256, 2214), (1413, 1968), (1476, 1884)]