639341568

素因数分解:

$2^{10}\times 3^2\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:600

約数の個数: 132

約数和(自身を含む): 1861386228

約数和(自身を除く): 1222044660

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 173, 192, 256, 288, 346, 384, 401, 512, 519, 576, 692, 768, 802, 1024, 1038, 1152, 1203, 1384, 1536, 1557, 1604, 2076, 2304, 2406, 2768, 3072, 3114, 3208, 3609, 4152, 4608, 4812, 5536, 6228, 6416, 7218, 8304, 9216, 9624, 11072, 12456, 12832, 14436, 16608, 19248, 22144, 24912, 25664, 28872, 33216, 38496, 44288, 49824, 51328, 57744, 66432, 69373, 76992, 88576, 99648, 102656, 115488, 132864, 138746, 153984, 177152, 199296, 205312, 208119, 230976, 265728, 277492, 307968, 398592, 410624, 416238, 461952, 531456, 554984, 615936, 624357, 797184, 832476, 923904, 1109968, 1231872, 1248714, 1594368, 1664952, 1847808, 2219936, 2497428, 3329904, 3695616, 4439872, 4994856, 6659808, 8879744, 9989712, 13319616, 17759488, 19979424, 26639232, 35518976, 39958848, 53278464, 71037952, 79917696, 106556928, 159835392, 213113856, 319670784, 639341568]

約数ペア:

[(1, 639341568), (2, 319670784), (3, 213113856), (4, 159835392), (6, 106556928), (8, 79917696), (9, 71037952), (12, 53278464), (16, 39958848), (18, 35518976), (24, 26639232), (32, 19979424), (36, 17759488), (48, 13319616), (64, 9989712), (72, 8879744), (96, 6659808), (128, 4994856), (144, 4439872), (173, 3695616), (192, 3329904), (256, 2497428), (288, 2219936), (346, 1847808), (384, 1664952), (401, 1594368), (512, 1248714), (519, 1231872), (576, 1109968), (692, 923904), (768, 832476), (802, 797184), (1024, 624357), (1038, 615936), (1152, 554984), (1203, 531456), (1384, 461952), (1536, 416238), (1557, 410624), (1604, 398592), (2076, 307968), (2304, 277492), (2406, 265728), (2768, 230976), (3072, 208119), (3114, 205312), (3208, 199296), (3609, 177152), (4152, 153984), (4608, 138746), (4812, 132864), (5536, 115488), (6228, 102656), (6416, 99648), (7218, 88576), (8304, 76992), (9216, 69373), (9624, 66432), (11072, 57744), (12456, 51328), (12832, 49824), (14436, 44288), (16608, 38496), (19248, 33216), (22144, 28872), (24912, 25664)]