256857216

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 384

約数和(自身を含む): 929309760

約数和(自身を除く): 672452544

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 32, 33, 34, 42, 44, 48, 49, 51, 56, 64, 66, 68, 73, 77, 84, 88, 96, 98, 102, 112, 119, 128, 132, 136, 146, 147, 154, 168, 176, 187, 192, 196, 204, 219, 224, 231, 238, 264, 272, 292, 294, 308, 336, 352, 357, 374, 384, 392, 408, 438, 448, 462, 476, 511, 528, 539, 544, 561, 584, 588, 616, 672, 704, 714, 748, 784, 803, 816, 833, 876, 896, 924, 952, 1022, 1056, 1078, 1088, 1122, 1168, 1176, 1232, 1241, 1309, 1344, 1408, 1428, 1496, 1533, 1568, 1606, 1617, 1632, 1666, 1752, 1848, 1904, 2044, 2112, 2156, 2176, 2244, 2336, 2352, 2409, 2464, 2482, 2499, 2618, 2688, 2856, 2992, 3066, 3136, 3212, 3234, 3264, 3332, 3504, 3577, 3696, 3723, 3808, 3927, 4088, 4224, 4312, 4488, 4672, 4704, 4818, 4928, 4964, 4998, 5236, 5621, 5712, 5984, 6132, 6272, 6424, 6468, 6528, 6664, 7008, 7154, 7392, 7446, 7616, 7854, 8176, 8624, 8687, 8976, 9163, 9344, 9408, 9636, 9856, 9928, 9996, 10472, 10731, 11242, 11424, 11968, 12264, 12848, 12936, 13328, 13651, 14016, 14308, 14784, 14892, 15232, 15708, 16352, 16863, 17248, 17374, 17952, 18326, 18816, 19272, 19856, 19992, 20944, 21462, 22484, 22848, 23936, 24528, 25696, 25872, 26061, 26656, 27302, 27489, 28032, 28616, 29568, 29784, 31416, 32704, 33726, 34496, 34748, 35904, 36652, 38544, 39347, 39712, 39984, 40953, 41888, 42924, 44968, 45696, 49056, 51392, 51744, 52122, 53312, 54604, 54978, 57232, 59568, 60809, 62832, 65408, 67452, 68992, 69496, 71808, 73304, 77088, 78694, 79424, 79968, 81906, 83776, 85848, 89936, 95557, 98112, 102784, 103488, 104244, 106624, 109208, 109956, 114464, 118041, 119136, 121618, 125664, 134904, 138992, 146608, 154176, 157388, 158848, 159936, 163812, 167552, 171696, 179872, 182427, 191114, 196224, 206976, 208488, 218416, 219912, 228928, 236082, 238272, 243236, 251328, 269808, 277984, 286671, 293216, 308352, 314776, 319872, 327624, 343392, 359744, 364854, 382228, 416976, 436832, 439824, 457856, 472164, 476544, 486472, 502656, 539616, 555968, 573342, 586432, 629552, 655248, 668899, 686784, 719488, 729708, 764456, 833952, 873664, 879648, 944328, 972944, 1079232, 1111936, 1146684, 1172864, 1259104, 1310496, 1337798, 1373568, 1459416, 1528912, 1667904, 1747328, 1759296, 1888656, 1945888, 2006697, 2158464, 2293368, 2518208, 2620992, 2675596, 2918832, 3057824, 3335808, 3518592, 3777312, 3891776, 4013394, 4586736, 5036416, 5241984, 5351192, 5837664, 6115648, 7554624, 7783552, 8026788, 9173472, 10702384, 11675328, 12231296, 15109248, 16053576, 18346944, 21404768, 23350656, 32107152, 36693888, 42809536, 64214304, 85619072, 128428608, 256857216]

約数ペア:

[(1, 256857216), (2, 128428608), (3, 85619072), (4, 64214304), (6, 42809536), (7, 36693888), (8, 32107152), (11, 23350656), (12, 21404768), (14, 18346944), (16, 16053576), (17, 15109248), (21, 12231296), (22, 11675328), (24, 10702384), (28, 9173472), (32, 8026788), (33, 7783552), (34, 7554624), (42, 6115648), (44, 5837664), (48, 5351192), (49, 5241984), (51, 5036416), (56, 4586736), (64, 4013394), (66, 3891776), (68, 3777312), (73, 3518592), (77, 3335808), (84, 3057824), (88, 2918832), (96, 2675596), (98, 2620992), (102, 2518208), (112, 2293368), (119, 2158464), (128, 2006697), (132, 1945888), (136, 1888656), (146, 1759296), (147, 1747328), (154, 1667904), (168, 1528912), (176, 1459416), (187, 1373568), (192, 1337798), (196, 1310496), (204, 1259104), (219, 1172864), (224, 1146684), (231, 1111936), (238, 1079232), (264, 972944), (272, 944328), (292, 879648), (294, 873664), (308, 833952), (336, 764456), (352, 729708), (357, 719488), (374, 686784), (384, 668899), (392, 655248), (408, 629552), (438, 586432), (448, 573342), (462, 555968), (476, 539616), (511, 502656), (528, 486472), (539, 476544), (544, 472164), (561, 457856), (584, 439824), (588, 436832), (616, 416976), (672, 382228), (704, 364854), (714, 359744), (748, 343392), (784, 327624), (803, 319872), (816, 314776), (833, 308352), (876, 293216), (896, 286671), (924, 277984), (952, 269808), (1022, 251328), (1056, 243236), (1078, 238272), (1088, 236082), (1122, 228928), (1168, 219912), (1176, 218416), (1232, 208488), (1241, 206976), (1309, 196224), (1344, 191114), (1408, 182427), (1428, 179872), (1496, 171696), (1533, 167552), (1568, 163812), (1606, 159936), (1617, 158848), (1632, 157388), (1666, 154176), (1752, 146608), (1848, 138992), (1904, 134904), (2044, 125664), (2112, 121618), (2156, 119136), (2176, 118041), (2244, 114464), (2336, 109956), (2352, 109208), (2409, 106624), (2464, 104244), (2482, 103488), (2499, 102784), (2618, 98112), (2688, 95557), (2856, 89936), (2992, 85848), (3066, 83776), (3136, 81906), (3212, 79968), (3234, 79424), (3264, 78694), (3332, 77088), (3504, 73304), (3577, 71808), (3696, 69496), (3723, 68992), (3808, 67452), (3927, 65408), (4088, 62832), (4224, 60809), (4312, 59568), (4488, 57232), (4672, 54978), (4704, 54604), (4818, 53312), (4928, 52122), (4964, 51744), (4998, 51392), (5236, 49056), (5621, 45696), (5712, 44968), (5984, 42924), (6132, 41888), (6272, 40953), (6424, 39984), (6468, 39712), (6528, 39347), (6664, 38544), (7008, 36652), (7154, 35904), (7392, 34748), (7446, 34496), (7616, 33726), (7854, 32704), (8176, 31416), (8624, 29784), (8687, 29568), (8976, 28616), (9163, 28032), (9344, 27489), (9408, 27302), (9636, 26656), (9856, 26061), (9928, 25872), (9996, 25696), (10472, 24528), (10731, 23936), (11242, 22848), (11424, 22484), (11968, 21462), (12264, 20944), (12848, 19992), (12936, 19856), (13328, 19272), (13651, 18816), (14016, 18326), (14308, 17952), (14784, 17374), (14892, 17248), (15232, 16863), (15708, 16352)]