255943072

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 216

約数和(自身を含む): 687748320

約数和(自身を除く): 431805248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 71, 76, 77, 88, 98, 112, 121, 133, 142, 152, 154, 176, 196, 209, 224, 242, 266, 284, 304, 308, 352, 392, 418, 484, 497, 532, 539, 568, 608, 616, 781, 784, 836, 847, 931, 968, 994, 1064, 1078, 1136, 1232, 1349, 1463, 1562, 1568, 1672, 1694, 1862, 1936, 1988, 2128, 2156, 2272, 2299, 2464, 2698, 2926, 3124, 3344, 3388, 3479, 3724, 3872, 3976, 4256, 4312, 4598, 5396, 5467, 5852, 5929, 6248, 6688, 6776, 6958, 7448, 7952, 8591, 8624, 9196, 9443, 10241, 10792, 10934, 11704, 11858, 12496, 13552, 13916, 14839, 14896, 15904, 16093, 17182, 17248, 18392, 18886, 20482, 21584, 21868, 23408, 23716, 24992, 27104, 27832, 29678, 29792, 32186, 34364, 36784, 37772, 38269, 40964, 43168, 43736, 46816, 47432, 55664, 59356, 60137, 64372, 66101, 68728, 73568, 75544, 76538, 81928, 87472, 94864, 103873, 111328, 112651, 118712, 120274, 128744, 132202, 137456, 151088, 153076, 163229, 163856, 174944, 189728, 207746, 225302, 237424, 240548, 257488, 264404, 274912, 302176, 306152, 326458, 327712, 415492, 420959, 450604, 474848, 481096, 514976, 528808, 612304, 652916, 727111, 830984, 841918, 901208, 962192, 1057616, 1142603, 1224608, 1305832, 1454222, 1661968, 1683836, 1802416, 1924384, 2115232, 2285206, 2611664, 2908444, 3323936, 3367672, 3604832, 4570412, 5223328, 5816888, 6735344, 7998221, 9140824, 11633776, 13470688, 15996442, 18281648, 23267552, 31992884, 36563296, 63985768, 127971536, 255943072]

約数ペア:

[(1, 255943072), (2, 127971536), (4, 63985768), (7, 36563296), (8, 31992884), (11, 23267552), (14, 18281648), (16, 15996442), (19, 13470688), (22, 11633776), (28, 9140824), (32, 7998221), (38, 6735344), (44, 5816888), (49, 5223328), (56, 4570412), (71, 3604832), (76, 3367672), (77, 3323936), (88, 2908444), (98, 2611664), (112, 2285206), (121, 2115232), (133, 1924384), (142, 1802416), (152, 1683836), (154, 1661968), (176, 1454222), (196, 1305832), (209, 1224608), (224, 1142603), (242, 1057616), (266, 962192), (284, 901208), (304, 841918), (308, 830984), (352, 727111), (392, 652916), (418, 612304), (484, 528808), (497, 514976), (532, 481096), (539, 474848), (568, 450604), (608, 420959), (616, 415492), (781, 327712), (784, 326458), (836, 306152), (847, 302176), (931, 274912), (968, 264404), (994, 257488), (1064, 240548), (1078, 237424), (1136, 225302), (1232, 207746), (1349, 189728), (1463, 174944), (1562, 163856), (1568, 163229), (1672, 153076), (1694, 151088), (1862, 137456), (1936, 132202), (1988, 128744), (2128, 120274), (2156, 118712), (2272, 112651), (2299, 111328), (2464, 103873), (2698, 94864), (2926, 87472), (3124, 81928), (3344, 76538), (3388, 75544), (3479, 73568), (3724, 68728), (3872, 66101), (3976, 64372), (4256, 60137), (4312, 59356), (4598, 55664), (5396, 47432), (5467, 46816), (5852, 43736), (5929, 43168), (6248, 40964), (6688, 38269), (6776, 37772), (6958, 36784), (7448, 34364), (7952, 32186), (8591, 29792), (8624, 29678), (9196, 27832), (9443, 27104), (10241, 24992), (10792, 23716), (10934, 23408), (11704, 21868), (11858, 21584), (12496, 20482), (13552, 18886), (13916, 18392), (14839, 17248), (14896, 17182), (15904, 16093)]