281037312

素因数分解:

$2^9\times 3^2\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:954

約数の個数: 120

約数和(自身を含む): 823474080

約数和(自身を除く): 542436768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 256, 284, 288, 384, 426, 512, 568, 576, 639, 768, 852, 859, 1136, 1152, 1278, 1536, 1704, 1718, 2272, 2304, 2556, 2577, 3408, 3436, 4544, 4608, 5112, 5154, 6816, 6872, 7731, 9088, 10224, 10308, 13632, 13744, 15462, 18176, 20448, 20616, 27264, 27488, 30924, 36352, 40896, 41232, 54528, 54976, 60989, 61848, 81792, 82464, 109056, 109952, 121978, 123696, 163584, 164928, 182967, 219904, 243956, 247392, 327168, 329856, 365934, 439808, 487912, 494784, 548901, 659712, 731868, 975824, 989568, 1097802, 1319424, 1463736, 1951648, 1979136, 2195604, 2927472, 3903296, 3958272, 4391208, 5854944, 7806592, 8782416, 11709888, 15613184, 17564832, 23419776, 31226368, 35129664, 46839552, 70259328, 93679104, 140518656, 281037312]

約数ペア:

[(1, 281037312), (2, 140518656), (3, 93679104), (4, 70259328), (6, 46839552), (8, 35129664), (9, 31226368), (12, 23419776), (16, 17564832), (18, 15613184), (24, 11709888), (32, 8782416), (36, 7806592), (48, 5854944), (64, 4391208), (71, 3958272), (72, 3903296), (96, 2927472), (128, 2195604), (142, 1979136), (144, 1951648), (192, 1463736), (213, 1319424), (256, 1097802), (284, 989568), (288, 975824), (384, 731868), (426, 659712), (512, 548901), (568, 494784), (576, 487912), (639, 439808), (768, 365934), (852, 329856), (859, 327168), (1136, 247392), (1152, 243956), (1278, 219904), (1536, 182967), (1704, 164928), (1718, 163584), (2272, 123696), (2304, 121978), (2556, 109952), (2577, 109056), (3408, 82464), (3436, 81792), (4544, 61848), (4608, 60989), (5112, 54976), (5154, 54528), (6816, 41232), (6872, 40896), (7731, 36352), (9088, 30924), (10224, 27488), (10308, 27264), (13632, 20616), (13744, 20448), (15462, 18176)]