81327456

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 288

約数和(自身を含む): 294749280

約数和(自身を除く): 213421824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 49, 51, 54, 56, 63, 68, 72, 84, 96, 98, 102, 108, 112, 113, 119, 126, 136, 144, 147, 153, 168, 189, 196, 204, 216, 224, 226, 238, 252, 272, 288, 294, 306, 336, 339, 357, 378, 392, 408, 432, 441, 452, 459, 476, 504, 544, 588, 612, 672, 678, 714, 756, 784, 791, 816, 833, 864, 882, 904, 918, 952, 1008, 1017, 1071, 1176, 1224, 1323, 1356, 1428, 1512, 1568, 1582, 1632, 1666, 1764, 1808, 1836, 1904, 1921, 2016, 2034, 2142, 2352, 2373, 2448, 2499, 2646, 2712, 2856, 3024, 3051, 3164, 3213, 3332, 3528, 3616, 3672, 3808, 3842, 4068, 4284, 4704, 4746, 4896, 4998, 5292, 5424, 5537, 5712, 5763, 6048, 6102, 6328, 6426, 6664, 7056, 7119, 7344, 7497, 7684, 8136, 8568, 9492, 9996, 10584, 10848, 11074, 11424, 11526, 12204, 12656, 12852, 13328, 13447, 14112, 14238, 14688, 14994, 15368, 16272, 16611, 17136, 17289, 18984, 19992, 21168, 21357, 22148, 22491, 23052, 24408, 25312, 25704, 26656, 26894, 28476, 29988, 30736, 32544, 33222, 34272, 34578, 37968, 39984, 40341, 42336, 42714, 44296, 44982, 46104, 48816, 49833, 51408, 51867, 53788, 56952, 59976, 61472, 66444, 69156, 75936, 79968, 80682, 85428, 88592, 89964, 92208, 94129, 97632, 99666, 102816, 103734, 107576, 113904, 119952, 121023, 132888, 138312, 149499, 161364, 170856, 177184, 179928, 184416, 188258, 199332, 207468, 215152, 227808, 239904, 242046, 265776, 276624, 282387, 298998, 322728, 341712, 359856, 363069, 376516, 398664, 414936, 430304, 484092, 531552, 553248, 564774, 597996, 645456, 683424, 719712, 726138, 753032, 797328, 829872, 847161, 968184, 1129548, 1195992, 1290912, 1452276, 1506064, 1594656, 1659744, 1694322, 1936368, 2259096, 2391984, 2541483, 2904552, 3012128, 3388644, 3872736, 4518192, 4783968, 5082966, 5809104, 6777288, 9036384, 10165932, 11618208, 13554576, 20331864, 27109152, 40663728, 81327456]

約数ペア:

[(1, 81327456), (2, 40663728), (3, 27109152), (4, 20331864), (6, 13554576), (7, 11618208), (8, 10165932), (9, 9036384), (12, 6777288), (14, 5809104), (16, 5082966), (17, 4783968), (18, 4518192), (21, 3872736), (24, 3388644), (27, 3012128), (28, 2904552), (32, 2541483), (34, 2391984), (36, 2259096), (42, 1936368), (48, 1694322), (49, 1659744), (51, 1594656), (54, 1506064), (56, 1452276), (63, 1290912), (68, 1195992), (72, 1129548), (84, 968184), (96, 847161), (98, 829872), (102, 797328), (108, 753032), (112, 726138), (113, 719712), (119, 683424), (126, 645456), (136, 597996), (144, 564774), (147, 553248), (153, 531552), (168, 484092), (189, 430304), (196, 414936), (204, 398664), (216, 376516), (224, 363069), (226, 359856), (238, 341712), (252, 322728), (272, 298998), (288, 282387), (294, 276624), (306, 265776), (336, 242046), (339, 239904), (357, 227808), (378, 215152), (392, 207468), (408, 199332), (432, 188258), (441, 184416), (452, 179928), (459, 177184), (476, 170856), (504, 161364), (544, 149499), (588, 138312), (612, 132888), (672, 121023), (678, 119952), (714, 113904), (756, 107576), (784, 103734), (791, 102816), (816, 99666), (833, 97632), (864, 94129), (882, 92208), (904, 89964), (918, 88592), (952, 85428), (1008, 80682), (1017, 79968), (1071, 75936), (1176, 69156), (1224, 66444), (1323, 61472), (1356, 59976), (1428, 56952), (1512, 53788), (1568, 51867), (1582, 51408), (1632, 49833), (1666, 48816), (1764, 46104), (1808, 44982), (1836, 44296), (1904, 42714), (1921, 42336), (2016, 40341), (2034, 39984), (2142, 37968), (2352, 34578), (2373, 34272), (2448, 33222), (2499, 32544), (2646, 30736), (2712, 29988), (2856, 28476), (3024, 26894), (3051, 26656), (3164, 25704), (3213, 25312), (3332, 24408), (3528, 23052), (3616, 22491), (3672, 22148), (3808, 21357), (3842, 21168), (4068, 19992), (4284, 18984), (4704, 17289), (4746, 17136), (4896, 16611), (4998, 16272), (5292, 15368), (5424, 14994), (5537, 14688), (5712, 14238), (5763, 14112), (6048, 13447), (6102, 13328), (6328, 12852), (6426, 12656), (6664, 12204), (7056, 11526), (7119, 11424), (7344, 11074), (7497, 10848), (7684, 10584), (8136, 9996), (8568, 9492)]