257324256

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 192

約数和(自身を含む): 866396160

約数和(自身を除く): 609071904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 157, 168, 189, 216, 224, 252, 271, 288, 314, 336, 378, 432, 471, 504, 542, 628, 672, 756, 813, 864, 942, 1008, 1084, 1099, 1256, 1413, 1512, 1626, 1884, 1897, 2016, 2168, 2198, 2439, 2512, 2826, 3024, 3252, 3297, 3768, 3794, 4239, 4336, 4396, 4878, 5024, 5652, 5691, 6048, 6504, 6594, 7317, 7536, 7588, 8478, 8672, 8792, 9756, 9891, 11304, 11382, 13008, 13188, 14634, 15072, 15176, 16956, 17073, 17584, 19512, 19782, 22608, 22764, 26016, 26376, 29268, 29673, 30352, 33912, 34146, 35168, 39024, 39564, 42547, 45216, 45528, 51219, 52752, 58536, 59346, 60704, 67824, 68292, 78048, 79128, 85094, 91056, 102438, 105504, 117072, 118692, 127641, 135648, 136584, 158256, 170188, 182112, 204876, 234144, 237384, 255282, 273168, 297829, 316512, 340376, 382923, 409752, 474768, 510564, 546336, 595658, 680752, 765846, 819504, 893487, 949536, 1021128, 1148769, 1191316, 1361504, 1531692, 1639008, 1786974, 2042256, 2297538, 2382632, 2680461, 3063384, 3573948, 4084512, 4595076, 4765264, 5360922, 6126768, 7147896, 8041383, 9190152, 9530528, 10721844, 12253536, 14295792, 16082766, 18380304, 21443688, 28591584, 32165532, 36760608, 42887376, 64331064, 85774752, 128662128, 257324256]

約数ペア:

[(1, 257324256), (2, 128662128), (3, 85774752), (4, 64331064), (6, 42887376), (7, 36760608), (8, 32165532), (9, 28591584), (12, 21443688), (14, 18380304), (16, 16082766), (18, 14295792), (21, 12253536), (24, 10721844), (27, 9530528), (28, 9190152), (32, 8041383), (36, 7147896), (42, 6126768), (48, 5360922), (54, 4765264), (56, 4595076), (63, 4084512), (72, 3573948), (84, 3063384), (96, 2680461), (108, 2382632), (112, 2297538), (126, 2042256), (144, 1786974), (157, 1639008), (168, 1531692), (189, 1361504), (216, 1191316), (224, 1148769), (252, 1021128), (271, 949536), (288, 893487), (314, 819504), (336, 765846), (378, 680752), (432, 595658), (471, 546336), (504, 510564), (542, 474768), (628, 409752), (672, 382923), (756, 340376), (813, 316512), (864, 297829), (942, 273168), (1008, 255282), (1084, 237384), (1099, 234144), (1256, 204876), (1413, 182112), (1512, 170188), (1626, 158256), (1884, 136584), (1897, 135648), (2016, 127641), (2168, 118692), (2198, 117072), (2439, 105504), (2512, 102438), (2826, 91056), (3024, 85094), (3252, 79128), (3297, 78048), (3768, 68292), (3794, 67824), (4239, 60704), (4336, 59346), (4396, 58536), (4878, 52752), (5024, 51219), (5652, 45528), (5691, 45216), (6048, 42547), (6504, 39564), (6594, 39024), (7317, 35168), (7536, 34146), (7588, 33912), (8478, 30352), (8672, 29673), (8792, 29268), (9756, 26376), (9891, 26016), (11304, 22764), (11382, 22608), (13008, 19782), (13188, 19512), (14634, 17584), (15072, 17073), (15176, 16956)]