320423488

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 168

約数和(自身を含む): 836712576

約数和(自身を除く): 516289088

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 121, 154, 161, 176, 184, 224, 242, 253, 257, 308, 322, 352, 368, 448, 484, 506, 514, 616, 644, 704, 736, 847, 968, 1012, 1028, 1232, 1288, 1472, 1694, 1771, 1799, 1936, 2024, 2056, 2464, 2576, 2783, 2827, 3388, 3542, 3598, 3872, 4048, 4112, 4928, 5152, 5566, 5654, 5911, 6776, 7084, 7196, 7744, 8096, 8224, 10304, 11132, 11308, 11822, 13552, 14168, 14392, 16192, 16448, 19481, 19789, 22264, 22616, 23644, 27104, 28336, 28784, 31097, 38962, 39578, 41377, 44528, 45232, 47288, 54208, 56672, 57568, 62194, 65021, 77924, 79156, 82754, 89056, 90464, 94576, 113344, 115136, 124388, 130042, 155848, 158312, 165508, 178112, 180928, 189152, 217679, 248776, 260084, 311696, 316624, 331016, 378304, 435358, 455147, 497552, 520168, 623392, 633248, 662032, 715231, 870716, 910294, 995104, 1040336, 1246784, 1266496, 1324064, 1430462, 1741432, 1820588, 1990208, 2080672, 2648128, 2860924, 3482864, 3641176, 4161344, 5006617, 5721848, 6965728, 7282352, 10013234, 11443696, 13931456, 14564704, 20026468, 22887392, 29129408, 40052936, 45774784, 80105872, 160211744, 320423488]

約数ペア:

[(1, 320423488), (2, 160211744), (4, 80105872), (7, 45774784), (8, 40052936), (11, 29129408), (14, 22887392), (16, 20026468), (22, 14564704), (23, 13931456), (28, 11443696), (32, 10013234), (44, 7282352), (46, 6965728), (56, 5721848), (64, 5006617), (77, 4161344), (88, 3641176), (92, 3482864), (112, 2860924), (121, 2648128), (154, 2080672), (161, 1990208), (176, 1820588), (184, 1741432), (224, 1430462), (242, 1324064), (253, 1266496), (257, 1246784), (308, 1040336), (322, 995104), (352, 910294), (368, 870716), (448, 715231), (484, 662032), (506, 633248), (514, 623392), (616, 520168), (644, 497552), (704, 455147), (736, 435358), (847, 378304), (968, 331016), (1012, 316624), (1028, 311696), (1232, 260084), (1288, 248776), (1472, 217679), (1694, 189152), (1771, 180928), (1799, 178112), (1936, 165508), (2024, 158312), (2056, 155848), (2464, 130042), (2576, 124388), (2783, 115136), (2827, 113344), (3388, 94576), (3542, 90464), (3598, 89056), (3872, 82754), (4048, 79156), (4112, 77924), (4928, 65021), (5152, 62194), (5566, 57568), (5654, 56672), (5911, 54208), (6776, 47288), (7084, 45232), (7196, 44528), (7744, 41377), (8096, 39578), (8224, 38962), (10304, 31097), (11132, 28784), (11308, 28336), (11822, 27104), (13552, 23644), (14168, 22616), (14392, 22264), (16192, 19789), (16448, 19481)]