256254768

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 240

約数和(自身を含む): 906227712

約数和(自身を除く): 649972944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 121, 126, 132, 144, 154, 168, 176, 191, 198, 231, 242, 252, 264, 308, 336, 363, 382, 396, 462, 484, 504, 528, 573, 616, 693, 726, 764, 792, 847, 924, 968, 1008, 1089, 1146, 1232, 1331, 1337, 1386, 1452, 1528, 1584, 1694, 1719, 1848, 1936, 2101, 2178, 2292, 2541, 2662, 2674, 2772, 2904, 3056, 3388, 3438, 3696, 3993, 4011, 4202, 4356, 4584, 5082, 5324, 5348, 5544, 5808, 6303, 6776, 6876, 7623, 7986, 8022, 8404, 8712, 9168, 9317, 10164, 10648, 10696, 11088, 11979, 12033, 12606, 13552, 13752, 14707, 15246, 15972, 16044, 16808, 17424, 18634, 18909, 20328, 21296, 21392, 23111, 23958, 24066, 25212, 27504, 27951, 29414, 30492, 31944, 32088, 33616, 37268, 37818, 40656, 44121, 46222, 47916, 48132, 50424, 55902, 58828, 60984, 63888, 64176, 69333, 74536, 75636, 83853, 88242, 92444, 95832, 96264, 100848, 111804, 117656, 121968, 132363, 138666, 149072, 151272, 161777, 167706, 176484, 184888, 191664, 192528, 207999, 223608, 235312, 254221, 264726, 277332, 302544, 323554, 335412, 352968, 369776, 415998, 447216, 485331, 508442, 529452, 554664, 647108, 670824, 705936, 762663, 831996, 970662, 1016884, 1058904, 1109328, 1294216, 1341648, 1455993, 1525326, 1663992, 1779547, 1941324, 2033768, 2117808, 2287989, 2588432, 2911986, 3050652, 3327984, 3559094, 3882648, 4067536, 4575978, 5338641, 5823972, 6101304, 7118188, 7765296, 9151956, 10677282, 11647944, 12202608, 14236376, 16015923, 18303912, 21354564, 23295888, 28472752, 32031846, 36607824, 42709128, 64063692, 85418256, 128127384, 256254768]

約数ペア:

[(1, 256254768), (2, 128127384), (3, 85418256), (4, 64063692), (6, 42709128), (7, 36607824), (8, 32031846), (9, 28472752), (11, 23295888), (12, 21354564), (14, 18303912), (16, 16015923), (18, 14236376), (21, 12202608), (22, 11647944), (24, 10677282), (28, 9151956), (33, 7765296), (36, 7118188), (42, 6101304), (44, 5823972), (48, 5338641), (56, 4575978), (63, 4067536), (66, 3882648), (72, 3559094), (77, 3327984), (84, 3050652), (88, 2911986), (99, 2588432), (112, 2287989), (121, 2117808), (126, 2033768), (132, 1941324), (144, 1779547), (154, 1663992), (168, 1525326), (176, 1455993), (191, 1341648), (198, 1294216), (231, 1109328), (242, 1058904), (252, 1016884), (264, 970662), (308, 831996), (336, 762663), (363, 705936), (382, 670824), (396, 647108), (462, 554664), (484, 529452), (504, 508442), (528, 485331), (573, 447216), (616, 415998), (693, 369776), (726, 352968), (764, 335412), (792, 323554), (847, 302544), (924, 277332), (968, 264726), (1008, 254221), (1089, 235312), (1146, 223608), (1232, 207999), (1331, 192528), (1337, 191664), (1386, 184888), (1452, 176484), (1528, 167706), (1584, 161777), (1694, 151272), (1719, 149072), (1848, 138666), (1936, 132363), (2101, 121968), (2178, 117656), (2292, 111804), (2541, 100848), (2662, 96264), (2674, 95832), (2772, 92444), (2904, 88242), (3056, 83853), (3388, 75636), (3438, 74536), (3696, 69333), (3993, 64176), (4011, 63888), (4202, 60984), (4356, 58828), (4584, 55902), (5082, 50424), (5324, 48132), (5348, 47916), (5544, 46222), (5808, 44121), (6303, 40656), (6776, 37818), (6876, 37268), (7623, 33616), (7986, 32088), (8022, 31944), (8404, 30492), (8712, 29414), (9168, 27951), (9317, 27504), (10164, 25212), (10648, 24066), (10696, 23958), (11088, 23111), (11979, 21392), (12033, 21296), (12606, 20328), (13552, 18909), (13752, 18634), (14707, 17424), (15246, 16808), (15972, 16044)]