280542240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 288

約数和(自身を含む): 1061424000

約数和(自身を除く): 780881760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 89, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 178, 180, 198, 199, 220, 240, 264, 267, 288, 330, 352, 356, 360, 396, 398, 440, 445, 480, 495, 528, 534, 597, 660, 712, 720, 792, 796, 801, 880, 890, 979, 990, 995, 1056, 1068, 1194, 1320, 1335, 1424, 1440, 1584, 1592, 1602, 1760, 1780, 1791, 1958, 1980, 1990, 2136, 2189, 2388, 2640, 2670, 2848, 2937, 2985, 3168, 3184, 3204, 3560, 3582, 3916, 3960, 3980, 4005, 4272, 4378, 4776, 4895, 5280, 5340, 5874, 5970, 6368, 6408, 6567, 7120, 7164, 7832, 7920, 7960, 8010, 8544, 8756, 8811, 8955, 9552, 9790, 10680, 10945, 11748, 11940, 12816, 13134, 14240, 14328, 14685, 15664, 15840, 15920, 16020, 17512, 17622, 17711, 17910, 19104, 19580, 19701, 21360, 21890, 23496, 23880, 25632, 26268, 28656, 29370, 31328, 31840, 32040, 32835, 35024, 35244, 35422, 35820, 39160, 39402, 42720, 43780, 44055, 46992, 47760, 52536, 53133, 57312, 58740, 64080, 65670, 70048, 70488, 70844, 71640, 78320, 78804, 87560, 88110, 88555, 93984, 95520, 98505, 105072, 106266, 117480, 128160, 131340, 140976, 141688, 143280, 156640, 157608, 159399, 175120, 176220, 177110, 194821, 197010, 210144, 212532, 234960, 262680, 265665, 281952, 283376, 286560, 315216, 318798, 350240, 352440, 354220, 389642, 394020, 425064, 469920, 525360, 531330, 566752, 584463, 630432, 637596, 704880, 708440, 779284, 788040, 796995, 850128, 974105, 1050720, 1062660, 1168926, 1275192, 1409760, 1416880, 1558568, 1576080, 1593990, 1700256, 1753389, 1948210, 2125320, 2337852, 2550384, 2833760, 2922315, 3117136, 3152160, 3187980, 3506778, 3896420, 4250640, 4675704, 5100768, 5844630, 6234272, 6375960, 7013556, 7792840, 8501280, 8766945, 9351408, 11689260, 12751920, 14027112, 15585680, 17533890, 18702816, 23378520, 25503840, 28054224, 31171360, 35067780, 46757040, 56108448, 70135560, 93514080, 140271120, 280542240]

約数ペア:

[(1, 280542240), (2, 140271120), (3, 93514080), (4, 70135560), (5, 56108448), (6, 46757040), (8, 35067780), (9, 31171360), (10, 28054224), (11, 25503840), (12, 23378520), (15, 18702816), (16, 17533890), (18, 15585680), (20, 14027112), (22, 12751920), (24, 11689260), (30, 9351408), (32, 8766945), (33, 8501280), (36, 7792840), (40, 7013556), (44, 6375960), (45, 6234272), (48, 5844630), (55, 5100768), (60, 4675704), (66, 4250640), (72, 3896420), (80, 3506778), (88, 3187980), (89, 3152160), (90, 3117136), (96, 2922315), (99, 2833760), (110, 2550384), (120, 2337852), (132, 2125320), (144, 1948210), (160, 1753389), (165, 1700256), (176, 1593990), (178, 1576080), (180, 1558568), (198, 1416880), (199, 1409760), (220, 1275192), (240, 1168926), (264, 1062660), (267, 1050720), (288, 974105), (330, 850128), (352, 796995), (356, 788040), (360, 779284), (396, 708440), (398, 704880), (440, 637596), (445, 630432), (480, 584463), (495, 566752), (528, 531330), (534, 525360), (597, 469920), (660, 425064), (712, 394020), (720, 389642), (792, 354220), (796, 352440), (801, 350240), (880, 318798), (890, 315216), (979, 286560), (990, 283376), (995, 281952), (1056, 265665), (1068, 262680), (1194, 234960), (1320, 212532), (1335, 210144), (1424, 197010), (1440, 194821), (1584, 177110), (1592, 176220), (1602, 175120), (1760, 159399), (1780, 157608), (1791, 156640), (1958, 143280), (1980, 141688), (1990, 140976), (2136, 131340), (2189, 128160), (2388, 117480), (2640, 106266), (2670, 105072), (2848, 98505), (2937, 95520), (2985, 93984), (3168, 88555), (3184, 88110), (3204, 87560), (3560, 78804), (3582, 78320), (3916, 71640), (3960, 70844), (3980, 70488), (4005, 70048), (4272, 65670), (4378, 64080), (4776, 58740), (4895, 57312), (5280, 53133), (5340, 52536), (5874, 47760), (5970, 46992), (6368, 44055), (6408, 43780), (6567, 42720), (7120, 39402), (7164, 39160), (7832, 35820), (7920, 35422), (7960, 35244), (8010, 35024), (8544, 32835), (8756, 32040), (8811, 31840), (8955, 31328), (9552, 29370), (9790, 28656), (10680, 26268), (10945, 25632), (11748, 23880), (11940, 23496), (12816, 21890), (13134, 21360), (14240, 19701), (14328, 19580), (14685, 19104), (15664, 17910), (15840, 17711), (15920, 17622), (16020, 17512)]