257575680

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 288

約数和(自身を含む): 949233600

約数和(自身を除く): 691657920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 256, 257, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 464, 480, 514, 522, 540, 576, 580, 640, 696, 720, 768, 771, 783, 864, 870, 928, 960, 1028, 1044, 1080, 1152, 1160, 1280, 1285, 1305, 1392, 1440, 1542, 1566, 1728, 1740, 1856, 1920, 2056, 2088, 2160, 2304, 2313, 2320, 2570, 2610, 2784, 2880, 3084, 3132, 3456, 3480, 3712, 3840, 3855, 3915, 4112, 4176, 4320, 4626, 4640, 5140, 5220, 5568, 5760, 6168, 6264, 6912, 6939, 6960, 7424, 7453, 7710, 7830, 8224, 8352, 8640, 9252, 9280, 10280, 10440, 11136, 11520, 11565, 12336, 12528, 13878, 13920, 14906, 15420, 15660, 16448, 16704, 17280, 18504, 18560, 20560, 20880, 22272, 22359, 23130, 24672, 25056, 27756, 27840, 29812, 30840, 31320, 32896, 33408, 34560, 34695, 37008, 37120, 37265, 41120, 41760, 44718, 46260, 49344, 50112, 55512, 55680, 59624, 61680, 62640, 65792, 66816, 67077, 69390, 74016, 74530, 82240, 83520, 89436, 92520, 98688, 100224, 111024, 111360, 111795, 119248, 123360, 125280, 134154, 138780, 148032, 149060, 164480, 167040, 178872, 185040, 197376, 200448, 201231, 222048, 223590, 238496, 246720, 250560, 268308, 277560, 296064, 298120, 328960, 334080, 335385, 357744, 370080, 402462, 444096, 447180, 476992, 493440, 501120, 536616, 555120, 592128, 596240, 670770, 715488, 740160, 804924, 888192, 894360, 953984, 986880, 1002240, 1006155, 1073232, 1110240, 1192480, 1341540, 1430976, 1480320, 1609848, 1776384, 1788720, 1907968, 2012310, 2146464, 2220480, 2384960, 2683080, 2861952, 2960640, 3219696, 3577440, 4024620, 4292928, 4440960, 4769920, 5366160, 5723904, 6439392, 7154880, 8049240, 8585856, 8881920, 9539840, 10732320, 12878784, 14309760, 16098480, 17171712, 21464640, 25757568, 28619520, 32196960, 42929280, 51515136, 64393920, 85858560, 128787840, 257575680]

約数ペア:

[(1, 257575680), (2, 128787840), (3, 85858560), (4, 64393920), (5, 51515136), (6, 42929280), (8, 32196960), (9, 28619520), (10, 25757568), (12, 21464640), (15, 17171712), (16, 16098480), (18, 14309760), (20, 12878784), (24, 10732320), (27, 9539840), (29, 8881920), (30, 8585856), (32, 8049240), (36, 7154880), (40, 6439392), (45, 5723904), (48, 5366160), (54, 4769920), (58, 4440960), (60, 4292928), (64, 4024620), (72, 3577440), (80, 3219696), (87, 2960640), (90, 2861952), (96, 2683080), (108, 2384960), (116, 2220480), (120, 2146464), (128, 2012310), (135, 1907968), (144, 1788720), (145, 1776384), (160, 1609848), (174, 1480320), (180, 1430976), (192, 1341540), (216, 1192480), (232, 1110240), (240, 1073232), (256, 1006155), (257, 1002240), (261, 986880), (270, 953984), (288, 894360), (290, 888192), (320, 804924), (348, 740160), (360, 715488), (384, 670770), (432, 596240), (435, 592128), (464, 555120), (480, 536616), (514, 501120), (522, 493440), (540, 476992), (576, 447180), (580, 444096), (640, 402462), (696, 370080), (720, 357744), (768, 335385), (771, 334080), (783, 328960), (864, 298120), (870, 296064), (928, 277560), (960, 268308), (1028, 250560), (1044, 246720), (1080, 238496), (1152, 223590), (1160, 222048), (1280, 201231), (1285, 200448), (1305, 197376), (1392, 185040), (1440, 178872), (1542, 167040), (1566, 164480), (1728, 149060), (1740, 148032), (1856, 138780), (1920, 134154), (2056, 125280), (2088, 123360), (2160, 119248), (2304, 111795), (2313, 111360), (2320, 111024), (2570, 100224), (2610, 98688), (2784, 92520), (2880, 89436), (3084, 83520), (3132, 82240), (3456, 74530), (3480, 74016), (3712, 69390), (3840, 67077), (3855, 66816), (3915, 65792), (4112, 62640), (4176, 61680), (4320, 59624), (4626, 55680), (4640, 55512), (5140, 50112), (5220, 49344), (5568, 46260), (5760, 44718), (6168, 41760), (6264, 41120), (6912, 37265), (6939, 37120), (6960, 37008), (7424, 34695), (7453, 34560), (7710, 33408), (7830, 32896), (8224, 31320), (8352, 30840), (8640, 29812), (9252, 27840), (9280, 27756), (10280, 25056), (10440, 24672), (11136, 23130), (11520, 22359), (11565, 22272), (12336, 20880), (12528, 20560), (13878, 18560), (13920, 18504), (14906, 17280), (15420, 16704), (15660, 16448)]