81696960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 168

約数和(自身を含む): 295991280

約数和(自身を除く): 214294320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1140, 1216, 1368, 1440, 1493, 1520, 1710, 1824, 2280, 2736, 2880, 2986, 3040, 3420, 3648, 4479, 4560, 5472, 5972, 6080, 6840, 7465, 8958, 9120, 10944, 11944, 13437, 13680, 14930, 17916, 18240, 22395, 23888, 26874, 27360, 28367, 29860, 35832, 44790, 47776, 53748, 54720, 56734, 59720, 67185, 71664, 85101, 89580, 95552, 107496, 113468, 119440, 134370, 141835, 143328, 170202, 179160, 214992, 226936, 238880, 255303, 268740, 283670, 286656, 340404, 358320, 425505, 429984, 453872, 477760, 510606, 537480, 567340, 680808, 716640, 851010, 859968, 907744, 1021212, 1074960, 1134680, 1276515, 1361616, 1433280, 1702020, 1815488, 2042424, 2149920, 2269360, 2553030, 2723232, 3404040, 4084848, 4299840, 4538720, 5106060, 5446464, 6808080, 8169696, 9077440, 10212120, 13616160, 16339392, 20424240, 27232320, 40848480, 81696960]

約数ペア:

[(1, 81696960), (2, 40848480), (3, 27232320), (4, 20424240), (5, 16339392), (6, 13616160), (8, 10212120), (9, 9077440), (10, 8169696), (12, 6808080), (15, 5446464), (16, 5106060), (18, 4538720), (19, 4299840), (20, 4084848), (24, 3404040), (30, 2723232), (32, 2553030), (36, 2269360), (38, 2149920), (40, 2042424), (45, 1815488), (48, 1702020), (57, 1433280), (60, 1361616), (64, 1276515), (72, 1134680), (76, 1074960), (80, 1021212), (90, 907744), (95, 859968), (96, 851010), (114, 716640), (120, 680808), (144, 567340), (152, 537480), (160, 510606), (171, 477760), (180, 453872), (190, 429984), (192, 425505), (228, 358320), (240, 340404), (285, 286656), (288, 283670), (304, 268740), (320, 255303), (342, 238880), (360, 226936), (380, 214992), (456, 179160), (480, 170202), (570, 143328), (576, 141835), (608, 134370), (684, 119440), (720, 113468), (760, 107496), (855, 95552), (912, 89580), (960, 85101), (1140, 71664), (1216, 67185), (1368, 59720), (1440, 56734), (1493, 54720), (1520, 53748), (1710, 47776), (1824, 44790), (2280, 35832), (2736, 29860), (2880, 28367), (2986, 27360), (3040, 26874), (3420, 23888), (3648, 22395), (4479, 18240), (4560, 17916), (5472, 14930), (5972, 13680), (6080, 13437), (6840, 11944), (7465, 10944), (8958, 9120)]