161291520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:402

約数の個数: 288

約数和(自身を含む): 618105600

約数和(自身を除く): 456814080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 359, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 718, 720, 768, 780, 832, 864, 936, 960, 1040, 1077, 1080, 1152, 1170, 1248, 1280, 1404, 1436, 1440, 1560, 1664, 1728, 1755, 1795, 1872, 1920, 2080, 2154, 2160, 2304, 2340, 2496, 2808, 2872, 2880, 3120, 3231, 3328, 3456, 3510, 3590, 3744, 3840, 4160, 4308, 4320, 4667, 4680, 4992, 5385, 5616, 5744, 5760, 6240, 6462, 6912, 7020, 7180, 7488, 8320, 8616, 8640, 9334, 9360, 9693, 9984, 10770, 11232, 11488, 11520, 12480, 12924, 14001, 14040, 14360, 14976, 16155, 16640, 17232, 17280, 18668, 18720, 19386, 21540, 22464, 22976, 23335, 24960, 25848, 28002, 28080, 28720, 29952, 32310, 34464, 34560, 37336, 37440, 38772, 42003, 43080, 44928, 45952, 46670, 48465, 49920, 51696, 56004, 56160, 57440, 64620, 68928, 70005, 74672, 74880, 77544, 84006, 86160, 89856, 91904, 93340, 96930, 103392, 112008, 112320, 114880, 126009, 129240, 137856, 140010, 149344, 149760, 155088, 168012, 172320, 186680, 193860, 206784, 210015, 224016, 224640, 229760, 252018, 258480, 275712, 280020, 298688, 310176, 336024, 344640, 373360, 387720, 413568, 420030, 448032, 449280, 459520, 504036, 516960, 560040, 597376, 620352, 630045, 672048, 689280, 746720, 775440, 827136, 840060, 896064, 1008072, 1033920, 1120080, 1194752, 1240704, 1260090, 1344096, 1378560, 1493440, 1550880, 1680120, 1792128, 2016144, 2067840, 2240160, 2481408, 2520180, 2688192, 2986880, 3101760, 3360240, 3584256, 4032288, 4135680, 4480320, 5040360, 5376384, 5973760, 6203520, 6720480, 8064576, 8960640, 10080720, 10752768, 12407040, 13440960, 16129152, 17921280, 20161440, 26881920, 32258304, 40322880, 53763840, 80645760, 161291520]

約数ペア:

[(1, 161291520), (2, 80645760), (3, 53763840), (4, 40322880), (5, 32258304), (6, 26881920), (8, 20161440), (9, 17921280), (10, 16129152), (12, 13440960), (13, 12407040), (15, 10752768), (16, 10080720), (18, 8960640), (20, 8064576), (24, 6720480), (26, 6203520), (27, 5973760), (30, 5376384), (32, 5040360), (36, 4480320), (39, 4135680), (40, 4032288), (45, 3584256), (48, 3360240), (52, 3101760), (54, 2986880), (60, 2688192), (64, 2520180), (65, 2481408), (72, 2240160), (78, 2067840), (80, 2016144), (90, 1792128), (96, 1680120), (104, 1550880), (108, 1493440), (117, 1378560), (120, 1344096), (128, 1260090), (130, 1240704), (135, 1194752), (144, 1120080), (156, 1033920), (160, 1008072), (180, 896064), (192, 840060), (195, 827136), (208, 775440), (216, 746720), (234, 689280), (240, 672048), (256, 630045), (260, 620352), (270, 597376), (288, 560040), (312, 516960), (320, 504036), (351, 459520), (359, 449280), (360, 448032), (384, 420030), (390, 413568), (416, 387720), (432, 373360), (468, 344640), (480, 336024), (520, 310176), (540, 298688), (576, 280020), (585, 275712), (624, 258480), (640, 252018), (702, 229760), (718, 224640), (720, 224016), (768, 210015), (780, 206784), (832, 193860), (864, 186680), (936, 172320), (960, 168012), (1040, 155088), (1077, 149760), (1080, 149344), (1152, 140010), (1170, 137856), (1248, 129240), (1280, 126009), (1404, 114880), (1436, 112320), (1440, 112008), (1560, 103392), (1664, 96930), (1728, 93340), (1755, 91904), (1795, 89856), (1872, 86160), (1920, 84006), (2080, 77544), (2154, 74880), (2160, 74672), (2304, 70005), (2340, 68928), (2496, 64620), (2808, 57440), (2872, 56160), (2880, 56004), (3120, 51696), (3231, 49920), (3328, 48465), (3456, 46670), (3510, 45952), (3590, 44928), (3744, 43080), (3840, 42003), (4160, 38772), (4308, 37440), (4320, 37336), (4667, 34560), (4680, 34464), (4992, 32310), (5385, 29952), (5616, 28720), (5744, 28080), (5760, 28002), (6240, 25848), (6462, 24960), (6912, 23335), (7020, 22976), (7180, 22464), (7488, 21540), (8320, 19386), (8616, 18720), (8640, 18668), (9334, 17280), (9360, 17232), (9693, 16640), (9984, 16155), (10770, 14976), (11232, 14360), (11488, 14040), (11520, 14001), (12480, 12924)]