320260864

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 162

約数和(自身を含む): 821264892

約数和(自身を除く): 501004028

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 121, 128, 154, 176, 196, 211, 224, 242, 256, 308, 352, 392, 422, 448, 484, 539, 616, 704, 784, 844, 847, 896, 968, 1078, 1232, 1408, 1477, 1568, 1688, 1694, 1792, 1936, 2156, 2321, 2464, 2816, 2954, 3136, 3376, 3388, 3872, 4312, 4642, 4928, 5908, 5929, 6272, 6752, 6776, 7744, 8624, 9284, 9856, 10339, 11816, 11858, 12544, 13504, 13552, 15488, 16247, 17248, 18568, 19712, 20678, 23632, 23716, 25531, 27008, 27104, 30976, 32494, 34496, 37136, 41356, 47264, 47432, 51062, 54016, 54208, 64988, 68992, 74272, 82712, 94528, 94864, 102124, 108416, 113729, 129976, 137984, 148544, 165424, 178717, 189056, 189728, 204248, 216832, 227458, 259952, 297088, 330848, 357434, 378112, 379456, 408496, 454916, 519904, 594176, 661696, 714868, 758912, 816992, 909832, 1039808, 1251019, 1323392, 1429736, 1517824, 1633984, 1819664, 2079616, 2502038, 2646784, 2859472, 3267968, 3639328, 4159232, 5004076, 5718944, 6535936, 7278656, 10008152, 11437888, 14557312, 20016304, 22875776, 29114624, 40032608, 45751552, 80065216, 160130432, 320260864]

約数ペア:

[(1, 320260864), (2, 160130432), (4, 80065216), (7, 45751552), (8, 40032608), (11, 29114624), (14, 22875776), (16, 20016304), (22, 14557312), (28, 11437888), (32, 10008152), (44, 7278656), (49, 6535936), (56, 5718944), (64, 5004076), (77, 4159232), (88, 3639328), (98, 3267968), (112, 2859472), (121, 2646784), (128, 2502038), (154, 2079616), (176, 1819664), (196, 1633984), (211, 1517824), (224, 1429736), (242, 1323392), (256, 1251019), (308, 1039808), (352, 909832), (392, 816992), (422, 758912), (448, 714868), (484, 661696), (539, 594176), (616, 519904), (704, 454916), (784, 408496), (844, 379456), (847, 378112), (896, 357434), (968, 330848), (1078, 297088), (1232, 259952), (1408, 227458), (1477, 216832), (1568, 204248), (1688, 189728), (1694, 189056), (1792, 178717), (1936, 165424), (2156, 148544), (2321, 137984), (2464, 129976), (2816, 113729), (2954, 108416), (3136, 102124), (3376, 94864), (3388, 94528), (3872, 82712), (4312, 74272), (4642, 68992), (4928, 64988), (5908, 54208), (5929, 54016), (6272, 51062), (6752, 47432), (6776, 47264), (7744, 41356), (8624, 37136), (9284, 34496), (9856, 32494), (10339, 30976), (11816, 27104), (11858, 27008), (12544, 25531), (13504, 23716), (13552, 23632), (15488, 20678), (16247, 19712), (17248, 18568)]