128787840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 256

約数和(自身を含む): 473688000

約数和(自身を除く): 344900160

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, 257, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 464, 480, 514, 522, 540, 576, 580, 640, 696, 720, 771, 783, 864, 870, 928, 960, 1028, 1044, 1080, 1152, 1160, 1285, 1305, 1392, 1440, 1542, 1566, 1728, 1740, 1856, 1920, 2056, 2088, 2160, 2313, 2320, 2570, 2610, 2784, 2880, 3084, 3132, 3456, 3480, 3712, 3855, 3915, 4112, 4176, 4320, 4626, 4640, 5140, 5220, 5568, 5760, 6168, 6264, 6939, 6960, 7453, 7710, 7830, 8224, 8352, 8640, 9252, 9280, 10280, 10440, 11136, 11565, 12336, 12528, 13878, 13920, 14906, 15420, 15660, 16448, 16704, 17280, 18504, 18560, 20560, 20880, 22359, 23130, 24672, 25056, 27756, 27840, 29812, 30840, 31320, 32896, 33408, 34695, 37008, 37265, 41120, 41760, 44718, 46260, 49344, 50112, 55512, 55680, 59624, 61680, 62640, 67077, 69390, 74016, 74530, 82240, 83520, 89436, 92520, 98688, 100224, 111024, 111795, 119248, 123360, 125280, 134154, 138780, 148032, 149060, 164480, 167040, 178872, 185040, 201231, 222048, 223590, 238496, 246720, 250560, 268308, 277560, 296064, 298120, 335385, 357744, 370080, 402462, 444096, 447180, 476992, 493440, 501120, 536616, 555120, 596240, 670770, 715488, 740160, 804924, 888192, 894360, 953984, 1006155, 1073232, 1110240, 1192480, 1341540, 1430976, 1480320, 1609848, 1788720, 2012310, 2146464, 2220480, 2384960, 2683080, 2861952, 3219696, 3577440, 4024620, 4292928, 4440960, 4769920, 5366160, 6439392, 7154880, 8049240, 8585856, 10732320, 12878784, 14309760, 16098480, 21464640, 25757568, 32196960, 42929280, 64393920, 128787840]

約数ペア:

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