80645760

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 256

約数和(自身を含む): 308448000

約数和(自身を除く): 227802240

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, 260, 270, 288, 312, 320, 351, 359, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 718, 720, 780, 832, 864, 936, 960, 1040, 1077, 1080, 1152, 1170, 1248, 1404, 1436, 1440, 1560, 1664, 1728, 1755, 1795, 1872, 1920, 2080, 2154, 2160, 2340, 2496, 2808, 2872, 2880, 3120, 3231, 3456, 3510, 3590, 3744, 4160, 4308, 4320, 4667, 4680, 4992, 5385, 5616, 5744, 5760, 6240, 6462, 7020, 7180, 7488, 8320, 8616, 8640, 9334, 9360, 9693, 10770, 11232, 11488, 12480, 12924, 14001, 14040, 14360, 14976, 16155, 17232, 17280, 18668, 18720, 19386, 21540, 22464, 22976, 23335, 24960, 25848, 28002, 28080, 28720, 32310, 34464, 37336, 37440, 38772, 42003, 43080, 44928, 45952, 46670, 48465, 51696, 56004, 56160, 57440, 64620, 68928, 70005, 74672, 74880, 77544, 84006, 86160, 93340, 96930, 103392, 112008, 112320, 114880, 126009, 129240, 137856, 140010, 149344, 155088, 168012, 172320, 186680, 193860, 206784, 210015, 224016, 224640, 229760, 252018, 258480, 280020, 298688, 310176, 336024, 344640, 373360, 387720, 413568, 420030, 448032, 504036, 516960, 560040, 597376, 620352, 630045, 672048, 689280, 746720, 775440, 840060, 896064, 1008072, 1033920, 1120080, 1240704, 1260090, 1344096, 1493440, 1550880, 1680120, 1792128, 2016144, 2067840, 2240160, 2520180, 2688192, 2986880, 3101760, 3360240, 4032288, 4480320, 5040360, 5376384, 6203520, 6720480, 8064576, 8960640, 10080720, 13440960, 16129152, 20161440, 26881920, 40322880, 80645760]

約数ペア:

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