81648864

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^3\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 265628160

約数和(自身を除く): 183979296

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 71, 72, 88, 96, 99, 108, 121, 132, 142, 144, 176, 198, 213, 216, 242, 264, 284, 288, 297, 352, 363, 396, 426, 432, 484, 528, 568, 594, 639, 726, 781, 792, 852, 864, 968, 1056, 1089, 1136, 1188, 1278, 1331, 1452, 1562, 1584, 1704, 1917, 1936, 2178, 2272, 2343, 2376, 2556, 2662, 2904, 3124, 3168, 3267, 3408, 3834, 3872, 3993, 4356, 4686, 4752, 5112, 5324, 5808, 6248, 6534, 6816, 7029, 7668, 7986, 8591, 8712, 9372, 9504, 10224, 10648, 11616, 11979, 12496, 13068, 14058, 15336, 15972, 17182, 17424, 18744, 20448, 21087, 21296, 23958, 24992, 25773, 26136, 28116, 30672, 31944, 34364, 34848, 35937, 37488, 42174, 42592, 47916, 51546, 52272, 56232, 61344, 63888, 68728, 71874, 74976, 77319, 84348, 94501, 95832, 103092, 104544, 112464, 127776, 137456, 143748, 154638, 168696, 189002, 191664, 206184, 224928, 231957, 274912, 283503, 287496, 309276, 337392, 378004, 383328, 412368, 463914, 567006, 574992, 618552, 674784, 756008, 824736, 850509, 927828, 1134012, 1149984, 1237104, 1512016, 1701018, 1855656, 2268024, 2474208, 2551527, 3024032, 3402036, 3711312, 4536048, 5103054, 6804072, 7422624, 9072096, 10206108, 13608144, 20412216, 27216288, 40824432, 81648864]

約数ペア:

[(1, 81648864), (2, 40824432), (3, 27216288), (4, 20412216), (6, 13608144), (8, 10206108), (9, 9072096), (11, 7422624), (12, 6804072), (16, 5103054), (18, 4536048), (22, 3711312), (24, 3402036), (27, 3024032), (32, 2551527), (33, 2474208), (36, 2268024), (44, 1855656), (48, 1701018), (54, 1512016), (66, 1237104), (71, 1149984), (72, 1134012), (88, 927828), (96, 850509), (99, 824736), (108, 756008), (121, 674784), (132, 618552), (142, 574992), (144, 567006), (176, 463914), (198, 412368), (213, 383328), (216, 378004), (242, 337392), (264, 309276), (284, 287496), (288, 283503), (297, 274912), (352, 231957), (363, 224928), (396, 206184), (426, 191664), (432, 189002), (484, 168696), (528, 154638), (568, 143748), (594, 137456), (639, 127776), (726, 112464), (781, 104544), (792, 103092), (852, 95832), (864, 94501), (968, 84348), (1056, 77319), (1089, 74976), (1136, 71874), (1188, 68728), (1278, 63888), (1331, 61344), (1452, 56232), (1562, 52272), (1584, 51546), (1704, 47916), (1917, 42592), (1936, 42174), (2178, 37488), (2272, 35937), (2343, 34848), (2376, 34364), (2556, 31944), (2662, 30672), (2904, 28116), (3124, 26136), (3168, 25773), (3267, 24992), (3408, 23958), (3834, 21296), (3872, 21087), (3993, 20448), (4356, 18744), (4686, 17424), (4752, 17182), (5112, 15972), (5324, 15336), (5808, 14058), (6248, 13068), (6534, 12496), (6816, 11979), (7029, 11616), (7668, 10648), (7986, 10224), (8591, 9504), (8712, 9372)]