81325728

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 266112000

約数和(自身を除く): 184786272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 43, 44, 48, 54, 66, 72, 86, 88, 96, 99, 108, 129, 132, 144, 172, 176, 198, 199, 216, 258, 264, 288, 297, 344, 352, 387, 396, 398, 432, 473, 516, 528, 594, 597, 688, 774, 792, 796, 864, 946, 1032, 1056, 1161, 1188, 1194, 1376, 1419, 1548, 1584, 1592, 1791, 1892, 2064, 2189, 2322, 2376, 2388, 2838, 3096, 3168, 3184, 3582, 3784, 4128, 4257, 4378, 4644, 4752, 4776, 5373, 5676, 6192, 6368, 6567, 7164, 7568, 8514, 8557, 8756, 9288, 9504, 9552, 10746, 11352, 12384, 12771, 13134, 14328, 15136, 17028, 17114, 17512, 18576, 19104, 19701, 21492, 22704, 25542, 25671, 26268, 28656, 34056, 34228, 35024, 37152, 39402, 42984, 45408, 51084, 51342, 52536, 57312, 59103, 68112, 68456, 70048, 77013, 78804, 85968, 94127, 102168, 102684, 105072, 118206, 136224, 136912, 154026, 157608, 171936, 188254, 204336, 205368, 210144, 231039, 236412, 273824, 282381, 308052, 315216, 376508, 408672, 410736, 462078, 472824, 564762, 616104, 630432, 753016, 821472, 847143, 924156, 945648, 1129524, 1232208, 1506032, 1694286, 1848312, 1891296, 2259048, 2464416, 2541429, 3012064, 3388572, 3696624, 4518096, 5082858, 6777144, 7393248, 9036192, 10165716, 13554288, 20331432, 27108576, 40662864, 81325728]

約数ペア:

[(1, 81325728), (2, 40662864), (3, 27108576), (4, 20331432), (6, 13554288), (8, 10165716), (9, 9036192), (11, 7393248), (12, 6777144), (16, 5082858), (18, 4518096), (22, 3696624), (24, 3388572), (27, 3012064), (32, 2541429), (33, 2464416), (36, 2259048), (43, 1891296), (44, 1848312), (48, 1694286), (54, 1506032), (66, 1232208), (72, 1129524), (86, 945648), (88, 924156), (96, 847143), (99, 821472), (108, 753016), (129, 630432), (132, 616104), (144, 564762), (172, 472824), (176, 462078), (198, 410736), (199, 408672), (216, 376508), (258, 315216), (264, 308052), (288, 282381), (297, 273824), (344, 236412), (352, 231039), (387, 210144), (396, 205368), (398, 204336), (432, 188254), (473, 171936), (516, 157608), (528, 154026), (594, 136912), (597, 136224), (688, 118206), (774, 105072), (792, 102684), (796, 102168), (864, 94127), (946, 85968), (1032, 78804), (1056, 77013), (1161, 70048), (1188, 68456), (1194, 68112), (1376, 59103), (1419, 57312), (1548, 52536), (1584, 51342), (1592, 51084), (1791, 45408), (1892, 42984), (2064, 39402), (2189, 37152), (2322, 35024), (2376, 34228), (2388, 34056), (2838, 28656), (3096, 26268), (3168, 25671), (3184, 25542), (3582, 22704), (3784, 21492), (4128, 19701), (4257, 19104), (4378, 18576), (4644, 17512), (4752, 17114), (4776, 17028), (5373, 15136), (5676, 14328), (6192, 13134), (6368, 12771), (6567, 12384), (7164, 11352), (7568, 10746), (8514, 9552), (8557, 9504), (8756, 9288)]