257374656

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{829}}^1$

素因数の和:872

約数の個数: 252

約数和(自身を含む): 937305720

約数和(自身を除く): 679931064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 49, 56, 63, 64, 66, 72, 77, 84, 88, 96, 98, 99, 112, 126, 132, 144, 147, 154, 168, 176, 192, 196, 198, 224, 231, 252, 264, 288, 294, 308, 336, 352, 392, 396, 441, 448, 462, 504, 528, 539, 576, 588, 616, 672, 693, 704, 784, 792, 829, 882, 924, 1008, 1056, 1078, 1176, 1232, 1344, 1386, 1568, 1584, 1617, 1658, 1764, 1848, 2016, 2112, 2156, 2352, 2464, 2487, 2772, 3136, 3168, 3234, 3316, 3528, 3696, 4032, 4312, 4704, 4851, 4928, 4974, 5544, 5803, 6336, 6468, 6632, 7056, 7392, 7461, 8624, 9119, 9408, 9702, 9948, 11088, 11606, 12936, 13264, 14112, 14784, 14922, 17248, 17409, 18238, 19404, 19896, 22176, 23212, 25872, 26528, 27357, 28224, 29844, 34496, 34818, 36476, 38808, 39792, 40621, 44352, 46424, 51744, 52227, 53056, 54714, 59688, 63833, 69636, 72952, 77616, 79584, 81242, 82071, 92848, 103488, 104454, 109428, 119376, 121863, 127666, 139272, 145904, 155232, 159168, 162484, 164142, 185696, 191499, 208908, 218856, 238752, 243726, 255332, 278544, 291808, 310464, 324968, 328284, 365589, 371392, 382998, 417816, 437712, 446831, 477504, 487452, 510664, 557088, 574497, 583616, 649936, 656568, 731178, 765996, 835632, 875424, 893662, 974904, 1021328, 1114176, 1148994, 1299872, 1313136, 1340493, 1462356, 1531992, 1671264, 1750848, 1787324, 1949808, 2042656, 2297988, 2599744, 2626272, 2680986, 2924712, 3063984, 3342528, 3574648, 3899616, 4021479, 4085312, 4595976, 5252544, 5361972, 5849424, 6127968, 7149296, 7799232, 8042958, 9191952, 10723944, 11698848, 12255936, 14298592, 16085916, 18383904, 21447888, 23397696, 28597184, 32171832, 36767808, 42895776, 64343664, 85791552, 128687328, 257374656]

約数ペア:

[(1, 257374656), (2, 128687328), (3, 85791552), (4, 64343664), (6, 42895776), (7, 36767808), (8, 32171832), (9, 28597184), (11, 23397696), (12, 21447888), (14, 18383904), (16, 16085916), (18, 14298592), (21, 12255936), (22, 11698848), (24, 10723944), (28, 9191952), (32, 8042958), (33, 7799232), (36, 7149296), (42, 6127968), (44, 5849424), (48, 5361972), (49, 5252544), (56, 4595976), (63, 4085312), (64, 4021479), (66, 3899616), (72, 3574648), (77, 3342528), (84, 3063984), (88, 2924712), (96, 2680986), (98, 2626272), (99, 2599744), (112, 2297988), (126, 2042656), (132, 1949808), (144, 1787324), (147, 1750848), (154, 1671264), (168, 1531992), (176, 1462356), (192, 1340493), (196, 1313136), (198, 1299872), (224, 1148994), (231, 1114176), (252, 1021328), (264, 974904), (288, 893662), (294, 875424), (308, 835632), (336, 765996), (352, 731178), (392, 656568), (396, 649936), (441, 583616), (448, 574497), (462, 557088), (504, 510664), (528, 487452), (539, 477504), (576, 446831), (588, 437712), (616, 417816), (672, 382998), (693, 371392), (704, 365589), (784, 328284), (792, 324968), (829, 310464), (882, 291808), (924, 278544), (1008, 255332), (1056, 243726), (1078, 238752), (1176, 218856), (1232, 208908), (1344, 191499), (1386, 185696), (1568, 164142), (1584, 162484), (1617, 159168), (1658, 155232), (1764, 145904), (1848, 139272), (2016, 127666), (2112, 121863), (2156, 119376), (2352, 109428), (2464, 104454), (2487, 103488), (2772, 92848), (3136, 82071), (3168, 81242), (3234, 79584), (3316, 77616), (3528, 72952), (3696, 69636), (4032, 63833), (4312, 59688), (4704, 54714), (4851, 53056), (4928, 52227), (4974, 51744), (5544, 46424), (5803, 44352), (6336, 40621), (6468, 39792), (6632, 38808), (7056, 36476), (7392, 34818), (7461, 34496), (8624, 29844), (9119, 28224), (9408, 27357), (9702, 26528), (9948, 25872), (11088, 23212), (11606, 22176), (12936, 19896), (13264, 19404), (14112, 18238), (14784, 17409), (14922, 17248)]