261081216

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1873}}^1$

素因数の和:1915

約数の個数: 144

約数和(自身を含む): 826237230

約数和(自身を除く): 565156014

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 121, 128, 132, 144, 176, 192, 198, 242, 264, 288, 352, 363, 384, 396, 484, 528, 576, 704, 726, 792, 968, 1056, 1089, 1152, 1408, 1452, 1584, 1873, 1936, 2112, 2178, 2904, 3168, 3746, 3872, 4224, 4356, 5619, 5808, 6336, 7492, 7744, 8712, 11238, 11616, 12672, 14984, 15488, 16857, 17424, 20603, 22476, 23232, 29968, 33714, 34848, 41206, 44952, 46464, 59936, 61809, 67428, 69696, 82412, 89904, 119872, 123618, 134856, 139392, 164824, 179808, 185427, 226633, 239744, 247236, 269712, 329648, 359616, 370854, 453266, 494472, 539424, 659296, 679899, 719232, 741708, 906532, 988944, 1078848, 1318592, 1359798, 1483416, 1813064, 1977888, 2039697, 2157696, 2637184, 2719596, 2966832, 3626128, 3955776, 4079394, 5439192, 5933664, 7252256, 7911552, 8158788, 10878384, 11867328, 14504512, 16317576, 21756768, 23734656, 29009024, 32635152, 43513536, 65270304, 87027072, 130540608, 261081216]

約数ペア:

[(1, 261081216), (2, 130540608), (3, 87027072), (4, 65270304), (6, 43513536), (8, 32635152), (9, 29009024), (11, 23734656), (12, 21756768), (16, 16317576), (18, 14504512), (22, 11867328), (24, 10878384), (32, 8158788), (33, 7911552), (36, 7252256), (44, 5933664), (48, 5439192), (64, 4079394), (66, 3955776), (72, 3626128), (88, 2966832), (96, 2719596), (99, 2637184), (121, 2157696), (128, 2039697), (132, 1977888), (144, 1813064), (176, 1483416), (192, 1359798), (198, 1318592), (242, 1078848), (264, 988944), (288, 906532), (352, 741708), (363, 719232), (384, 679899), (396, 659296), (484, 539424), (528, 494472), (576, 453266), (704, 370854), (726, 359616), (792, 329648), (968, 269712), (1056, 247236), (1089, 239744), (1152, 226633), (1408, 185427), (1452, 179808), (1584, 164824), (1873, 139392), (1936, 134856), (2112, 123618), (2178, 119872), (2904, 89904), (3168, 82412), (3746, 69696), (3872, 67428), (4224, 61809), (4356, 59936), (5619, 46464), (5808, 44952), (6336, 41206), (7492, 34848), (7744, 33714), (8712, 29968), (11238, 23232), (11616, 22476), (12672, 20603), (14984, 17424), (15488, 16857)]