1668646656

素因数分解:

$2^8\times 3^4\times {\mathrm{80471}}^1$

素因数の和:80499

約数の個数: 90

約数和(自身を含む): 4975664232

約数和(自身を除く): 3307017576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 5184, 6912, 10368, 20736, 80471, 160942, 241413, 321884, 482826, 643768, 724239, 965652, 1287536, 1448478, 1931304, 2172717, 2575072, 2896956, 3862608, 4345434, 5150144, 5793912, 6518151, 7725216, 8690868, 10300288, 11587824, 13036302, 15450432, 17381736, 20600576, 23175648, 26072604, 30900864, 34763472, 46351296, 52145208, 61801728, 69526944, 92702592, 104290416, 139053888, 185405184, 208580832, 278107776, 417161664, 556215552, 834323328, 1668646656]

約数ペア:

[(1, 1668646656), (2, 834323328), (3, 556215552), (4, 417161664), (6, 278107776), (8, 208580832), (9, 185405184), (12, 139053888), (16, 104290416), (18, 92702592), (24, 69526944), (27, 61801728), (32, 52145208), (36, 46351296), (48, 34763472), (54, 30900864), (64, 26072604), (72, 23175648), (81, 20600576), (96, 17381736), (108, 15450432), (128, 13036302), (144, 11587824), (162, 10300288), (192, 8690868), (216, 7725216), (256, 6518151), (288, 5793912), (324, 5150144), (384, 4345434), (432, 3862608), (576, 2896956), (648, 2575072), (768, 2172717), (864, 1931304), (1152, 1448478), (1296, 1287536), (1728, 965652), (2304, 724239), (2592, 643768), (3456, 482826), (5184, 321884), (6912, 241413), (10368, 160942), (20736, 80471)]