649087488

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{20123}}^1$

素因数の和:20154

約数の個数: 120

約数和(自身を含む): 2141032608

約数和(自身を除く): 1491945120

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3584, 4032, 4608, 5376, 8064, 10752, 16128, 20123, 32256, 40246, 60369, 80492, 120738, 140861, 160984, 181107, 241476, 281722, 321968, 362214, 422583, 482952, 563444, 643936, 724428, 845166, 965904, 1126888, 1267749, 1287872, 1448856, 1690332, 1931808, 2253776, 2535498, 2575744, 2897712, 3380664, 3863616, 4507552, 5070996, 5151488, 5795424, 6761328, 7727232, 9015104, 10141992, 10302976, 11590848, 13522656, 15454464, 18030208, 20283984, 23181696, 27045312, 30908928, 36060416, 40567968, 46363392, 54090624, 72120832, 81135936, 92726784, 108181248, 162271872, 216362496, 324543744, 649087488]

約数ペア:

[(1, 649087488), (2, 324543744), (3, 216362496), (4, 162271872), (6, 108181248), (7, 92726784), (8, 81135936), (9, 72120832), (12, 54090624), (14, 46363392), (16, 40567968), (18, 36060416), (21, 30908928), (24, 27045312), (28, 23181696), (32, 20283984), (36, 18030208), (42, 15454464), (48, 13522656), (56, 11590848), (63, 10302976), (64, 10141992), (72, 9015104), (84, 7727232), (96, 6761328), (112, 5795424), (126, 5151488), (128, 5070996), (144, 4507552), (168, 3863616), (192, 3380664), (224, 2897712), (252, 2575744), (256, 2535498), (288, 2253776), (336, 1931808), (384, 1690332), (448, 1448856), (504, 1287872), (512, 1267749), (576, 1126888), (672, 965904), (768, 845166), (896, 724428), (1008, 643936), (1152, 563444), (1344, 482952), (1536, 422583), (1792, 362214), (2016, 321968), (2304, 281722), (2688, 241476), (3584, 181107), (4032, 160984), (4608, 140861), (5376, 120738), (8064, 80492), (10752, 60369), (16128, 40246), (20123, 32256)]