254257920

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1051}}^1$

素因数の和:1088

約数の個数: 288

約数和(自身を含む): 1032138240

約数和(自身を除く): 777880320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1051, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2102, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3153, 3360, 3456, 3780, 3840, 4032, 4204, 4320, 4480, 5040, 5255, 5376, 5760, 6048, 6306, 6720, 6912, 7357, 7560, 8064, 8408, 8640, 8960, 9459, 10080, 10510, 11520, 12096, 12612, 13440, 14714, 15120, 15765, 16128, 16816, 17280, 18918, 20160, 21020, 22071, 24192, 25224, 26880, 28377, 29428, 30240, 31530, 33632, 34560, 36785, 37836, 40320, 42040, 44142, 47295, 48384, 50448, 56754, 58856, 60480, 63060, 66213, 67264, 73570, 75672, 80640, 84080, 88284, 94590, 100896, 110355, 113508, 117712, 120960, 126120, 132426, 134528, 141885, 147140, 151344, 168160, 176568, 189180, 198639, 201792, 220710, 227016, 235424, 241920, 252240, 264852, 269056, 283770, 294280, 302688, 331065, 336320, 353136, 378360, 397278, 403584, 441420, 454032, 470848, 504480, 529704, 567540, 588560, 605376, 662130, 672640, 706272, 756720, 794556, 807168, 882840, 908064, 941696, 993195, 1008960, 1059408, 1135080, 1177120, 1210752, 1324260, 1345280, 1412544, 1513440, 1589112, 1765680, 1816128, 1883392, 1986390, 2017920, 2118816, 2270160, 2354240, 2421504, 2648520, 2825088, 3026880, 3178224, 3531360, 3632256, 3972780, 4035840, 4237632, 4540320, 4708480, 5297040, 5650176, 6053760, 6356448, 7062720, 7264512, 7945560, 8475264, 9080640, 9416960, 10594080, 12107520, 12712896, 14125440, 15891120, 16950528, 18161280, 21188160, 25425792, 28250880, 31782240, 36322560, 42376320, 50851584, 63564480, 84752640, 127128960, 254257920]

約数ペア:

[(1, 254257920), (2, 127128960), (3, 84752640), (4, 63564480), (5, 50851584), (6, 42376320), (7, 36322560), (8, 31782240), (9, 28250880), (10, 25425792), (12, 21188160), (14, 18161280), (15, 16950528), (16, 15891120), (18, 14125440), (20, 12712896), (21, 12107520), (24, 10594080), (27, 9416960), (28, 9080640), (30, 8475264), (32, 7945560), (35, 7264512), (36, 7062720), (40, 6356448), (42, 6053760), (45, 5650176), (48, 5297040), (54, 4708480), (56, 4540320), (60, 4237632), (63, 4035840), (64, 3972780), (70, 3632256), (72, 3531360), (80, 3178224), (84, 3026880), (90, 2825088), (96, 2648520), (105, 2421504), (108, 2354240), (112, 2270160), (120, 2118816), (126, 2017920), (128, 1986390), (135, 1883392), (140, 1816128), (144, 1765680), (160, 1589112), (168, 1513440), (180, 1412544), (189, 1345280), (192, 1324260), (210, 1210752), (216, 1177120), (224, 1135080), (240, 1059408), (252, 1008960), (256, 993195), (270, 941696), (280, 908064), (288, 882840), (315, 807168), (320, 794556), (336, 756720), (360, 706272), (378, 672640), (384, 662130), (420, 605376), (432, 588560), (448, 567540), (480, 529704), (504, 504480), (540, 470848), (560, 454032), (576, 441420), (630, 403584), (640, 397278), (672, 378360), (720, 353136), (756, 336320), (768, 331065), (840, 302688), (864, 294280), (896, 283770), (945, 269056), (960, 264852), (1008, 252240), (1051, 241920), (1080, 235424), (1120, 227016), (1152, 220710), (1260, 201792), (1280, 198639), (1344, 189180), (1440, 176568), (1512, 168160), (1680, 151344), (1728, 147140), (1792, 141885), (1890, 134528), (1920, 132426), (2016, 126120), (2102, 120960), (2160, 117712), (2240, 113508), (2304, 110355), (2520, 100896), (2688, 94590), (2880, 88284), (3024, 84080), (3153, 80640), (3360, 75672), (3456, 73570), (3780, 67264), (3840, 66213), (4032, 63060), (4204, 60480), (4320, 58856), (4480, 56754), (5040, 50448), (5255, 48384), (5376, 47295), (5760, 44142), (6048, 42040), (6306, 40320), (6720, 37836), (6912, 36785), (7357, 34560), (7560, 33632), (8064, 31530), (8408, 30240), (8640, 29428), (8960, 28377), (9459, 26880), (10080, 25224), (10510, 24192), (11520, 22071), (12096, 21020), (12612, 20160), (13440, 18918), (14714, 17280), (15120, 16816), (15765, 16128)]