645979968

素因数分解:

$2^6\times 3^3\times {\mathrm{541}}^1\times {\mathrm{691}}^1$

素因数の和:1253

約数の個数: 112

約数和(自身を含む): 1905325120

約数和(自身を除く): 1259345152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 541, 576, 691, 864, 1082, 1382, 1623, 1728, 2073, 2164, 2764, 3246, 4146, 4328, 4869, 5528, 6219, 6492, 8292, 8656, 9738, 11056, 12438, 12984, 14607, 16584, 17312, 18657, 19476, 22112, 24876, 25968, 29214, 33168, 34624, 37314, 38952, 44224, 49752, 51936, 58428, 66336, 74628, 77904, 99504, 103872, 116856, 132672, 149256, 155808, 199008, 233712, 298512, 311616, 373831, 398016, 467424, 597024, 747662, 934848, 1121493, 1194048, 1495324, 2242986, 2990648, 3364479, 4485972, 5981296, 6728958, 8971944, 10093437, 11962592, 13457916, 17943888, 20186874, 23925184, 26915832, 35887776, 40373748, 53831664, 71775552, 80747496, 107663328, 161494992, 215326656, 322989984, 645979968]

約数ペア:

[(1, 645979968), (2, 322989984), (3, 215326656), (4, 161494992), (6, 107663328), (8, 80747496), (9, 71775552), (12, 53831664), (16, 40373748), (18, 35887776), (24, 26915832), (27, 23925184), (32, 20186874), (36, 17943888), (48, 13457916), (54, 11962592), (64, 10093437), (72, 8971944), (96, 6728958), (108, 5981296), (144, 4485972), (192, 3364479), (216, 2990648), (288, 2242986), (432, 1495324), (541, 1194048), (576, 1121493), (691, 934848), (864, 747662), (1082, 597024), (1382, 467424), (1623, 398016), (1728, 373831), (2073, 311616), (2164, 298512), (2764, 233712), (3246, 199008), (4146, 155808), (4328, 149256), (4869, 132672), (5528, 116856), (6219, 103872), (6492, 99504), (8292, 77904), (8656, 74628), (9738, 66336), (11056, 58428), (12438, 51936), (12984, 49752), (14607, 44224), (16584, 38952), (17312, 37314), (18657, 34624), (19476, 33168), (22112, 29214), (24876, 25968)]