1280222208

素因数分解:

$2^{10}\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2700

約数の個数: 132

約数和(自身を含む): 3767798268

約数和(自身を除く): 2487576060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 128, 144, 159, 192, 212, 256, 288, 318, 384, 424, 477, 512, 576, 636, 768, 848, 954, 1024, 1152, 1272, 1536, 1696, 1908, 2304, 2544, 2621, 3072, 3392, 3816, 4608, 5088, 5242, 6784, 7632, 7863, 9216, 10176, 10484, 13568, 15264, 15726, 20352, 20968, 23589, 27136, 30528, 31452, 40704, 41936, 47178, 54272, 61056, 62904, 81408, 83872, 94356, 122112, 125808, 138913, 162816, 167744, 188712, 244224, 251616, 277826, 335488, 377424, 416739, 488448, 503232, 555652, 670976, 754848, 833478, 1006464, 1111304, 1250217, 1341952, 1509696, 1666956, 2012928, 2222608, 2500434, 2683904, 3019392, 3333912, 4025856, 4445216, 5000868, 6038784, 6667824, 8051712, 8890432, 10001736, 12077568, 13335648, 17780864, 20003472, 24155136, 26671296, 35561728, 40006944, 53342592, 71123456, 80013888, 106685184, 142246912, 160027776, 213370368, 320055552, 426740736, 640111104, 1280222208]

約数ペア:

[(1, 1280222208), (2, 640111104), (3, 426740736), (4, 320055552), (6, 213370368), (8, 160027776), (9, 142246912), (12, 106685184), (16, 80013888), (18, 71123456), (24, 53342592), (32, 40006944), (36, 35561728), (48, 26671296), (53, 24155136), (64, 20003472), (72, 17780864), (96, 13335648), (106, 12077568), (128, 10001736), (144, 8890432), (159, 8051712), (192, 6667824), (212, 6038784), (256, 5000868), (288, 4445216), (318, 4025856), (384, 3333912), (424, 3019392), (477, 2683904), (512, 2500434), (576, 2222608), (636, 2012928), (768, 1666956), (848, 1509696), (954, 1341952), (1024, 1250217), (1152, 1111304), (1272, 1006464), (1536, 833478), (1696, 754848), (1908, 670976), (2304, 555652), (2544, 503232), (2621, 488448), (3072, 416739), (3392, 377424), (3816, 335488), (4608, 277826), (5088, 251616), (5242, 244224), (6784, 188712), (7632, 167744), (7863, 162816), (9216, 138913), (10176, 125808), (10484, 122112), (13568, 94356), (15264, 83872), (15726, 81408), (20352, 62904), (20968, 61056), (23589, 54272), (27136, 47178), (30528, 41936), (31452, 40704)]