81679680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 168

約数和(自身を含む): 285292800

約数和(自身を除く): 203613120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 359, 360, 395, 474, 480, 576, 632, 711, 718, 720, 790, 948, 960, 1077, 1185, 1264, 1422, 1436, 1440, 1580, 1795, 1896, 2154, 2370, 2528, 2844, 2872, 2880, 3160, 3231, 3555, 3590, 3792, 4308, 4740, 5056, 5385, 5688, 5744, 6320, 6462, 7110, 7180, 7584, 8616, 9480, 10770, 11376, 11488, 12640, 12924, 14220, 14360, 15168, 16155, 17232, 18960, 21540, 22752, 22976, 25280, 25848, 28361, 28440, 28720, 32310, 34464, 37920, 43080, 45504, 51696, 56722, 56880, 57440, 64620, 68928, 75840, 85083, 86160, 103392, 113444, 113760, 114880, 129240, 141805, 170166, 172320, 206784, 226888, 227520, 255249, 258480, 283610, 340332, 344640, 425415, 453776, 510498, 516960, 567220, 680664, 850830, 907552, 1020996, 1033920, 1134440, 1276245, 1361328, 1701660, 1815104, 2041992, 2268880, 2552490, 2722656, 3403320, 4083984, 4537760, 5104980, 5445312, 6806640, 8167968, 9075520, 10209960, 13613280, 16335936, 20419920, 27226560, 40839840, 81679680]

約数ペア:

[(1, 81679680), (2, 40839840), (3, 27226560), (4, 20419920), (5, 16335936), (6, 13613280), (8, 10209960), (9, 9075520), (10, 8167968), (12, 6806640), (15, 5445312), (16, 5104980), (18, 4537760), (20, 4083984), (24, 3403320), (30, 2722656), (32, 2552490), (36, 2268880), (40, 2041992), (45, 1815104), (48, 1701660), (60, 1361328), (64, 1276245), (72, 1134440), (79, 1033920), (80, 1020996), (90, 907552), (96, 850830), (120, 680664), (144, 567220), (158, 516960), (160, 510498), (180, 453776), (192, 425415), (237, 344640), (240, 340332), (288, 283610), (316, 258480), (320, 255249), (359, 227520), (360, 226888), (395, 206784), (474, 172320), (480, 170166), (576, 141805), (632, 129240), (711, 114880), (718, 113760), (720, 113444), (790, 103392), (948, 86160), (960, 85083), (1077, 75840), (1185, 68928), (1264, 64620), (1422, 57440), (1436, 56880), (1440, 56722), (1580, 51696), (1795, 45504), (1896, 43080), (2154, 37920), (2370, 34464), (2528, 32310), (2844, 28720), (2872, 28440), (2880, 28361), (3160, 25848), (3231, 25280), (3555, 22976), (3590, 22752), (3792, 21540), (4308, 18960), (4740, 17232), (5056, 16155), (5385, 15168), (5688, 14360), (5744, 14220), (6320, 12924), (6462, 12640), (7110, 11488), (7180, 11376), (7584, 10770), (8616, 9480)]