215531008

素因数分解:

$2^9\times 7^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 180

約数和(自身を含む): 558386136

約数和(自身を除く): 342855128

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 71, 77, 88, 98, 112, 121, 128, 142, 154, 176, 196, 224, 242, 256, 284, 308, 352, 392, 448, 484, 497, 512, 539, 568, 616, 704, 781, 784, 847, 896, 968, 994, 1078, 1136, 1232, 1408, 1562, 1568, 1694, 1792, 1936, 1988, 2156, 2272, 2464, 2816, 3124, 3136, 3388, 3479, 3584, 3872, 3976, 4312, 4544, 4928, 5467, 5632, 5929, 6248, 6272, 6776, 6958, 7744, 7952, 8591, 8624, 9088, 9856, 10934, 11858, 12496, 12544, 13552, 13916, 15488, 15904, 17182, 17248, 18176, 19712, 21868, 23716, 24992, 25088, 27104, 27832, 30976, 31808, 34364, 34496, 36352, 38269, 39424, 43736, 47432, 49984, 54208, 55664, 60137, 61952, 63616, 68728, 68992, 76538, 87472, 94864, 99968, 108416, 111328, 120274, 127232, 137456, 137984, 153076, 174944, 189728, 199936, 216832, 222656, 240548, 254464, 274912, 275968, 306152, 349888, 379456, 399872, 420959, 433664, 445312, 481096, 549824, 612304, 699776, 758912, 841918, 890624, 962192, 1099648, 1224608, 1399552, 1517824, 1683836, 1781248, 1924384, 2199296, 2449216, 2799104, 3035648, 3367672, 3848768, 4398592, 4898432, 6735344, 7697536, 9796864, 13470688, 15395072, 19593728, 26941376, 30790144, 53882752, 107765504, 215531008]

約数ペア:

[(1, 215531008), (2, 107765504), (4, 53882752), (7, 30790144), (8, 26941376), (11, 19593728), (14, 15395072), (16, 13470688), (22, 9796864), (28, 7697536), (32, 6735344), (44, 4898432), (49, 4398592), (56, 3848768), (64, 3367672), (71, 3035648), (77, 2799104), (88, 2449216), (98, 2199296), (112, 1924384), (121, 1781248), (128, 1683836), (142, 1517824), (154, 1399552), (176, 1224608), (196, 1099648), (224, 962192), (242, 890624), (256, 841918), (284, 758912), (308, 699776), (352, 612304), (392, 549824), (448, 481096), (484, 445312), (497, 433664), (512, 420959), (539, 399872), (568, 379456), (616, 349888), (704, 306152), (781, 275968), (784, 274912), (847, 254464), (896, 240548), (968, 222656), (994, 216832), (1078, 199936), (1136, 189728), (1232, 174944), (1408, 153076), (1562, 137984), (1568, 137456), (1694, 127232), (1792, 120274), (1936, 111328), (1988, 108416), (2156, 99968), (2272, 94864), (2464, 87472), (2816, 76538), (3124, 68992), (3136, 68728), (3388, 63616), (3479, 61952), (3584, 60137), (3872, 55664), (3976, 54208), (4312, 49984), (4544, 47432), (4928, 43736), (5467, 39424), (5632, 38269), (5929, 36352), (6248, 34496), (6272, 34364), (6776, 31808), (6958, 30976), (7744, 27832), (7952, 27104), (8591, 25088), (8624, 24992), (9088, 23716), (9856, 21868), (10934, 19712), (11858, 18176), (12496, 17248), (12544, 17182), (13552, 15904), (13916, 15488)]