81708480

素因数分解:

$2^6\times 3^3\times 5^1\times 7^2\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 336

約数和(自身を含む): 337047840

約数和(自身を除く): 255339360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 192, 193, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 336, 360, 378, 386, 392, 420, 432, 441, 448, 480, 490, 504, 540, 560, 576, 579, 588, 630, 672, 720, 735, 756, 772, 784, 840, 864, 882, 945, 960, 965, 980, 1008, 1080, 1120, 1158, 1176, 1260, 1323, 1344, 1351, 1440, 1470, 1512, 1544, 1568, 1680, 1728, 1737, 1764, 1890, 1930, 1960, 2016, 2160, 2205, 2240, 2316, 2352, 2520, 2646, 2702, 2880, 2895, 2940, 3024, 3088, 3136, 3360, 3474, 3528, 3780, 3860, 3920, 4032, 4053, 4320, 4410, 4632, 4704, 5040, 5211, 5292, 5404, 5790, 5880, 6048, 6176, 6615, 6720, 6755, 6948, 7056, 7560, 7720, 7840, 8106, 8640, 8685, 8820, 9264, 9408, 9457, 10080, 10422, 10584, 10808, 11580, 11760, 12096, 12159, 12352, 13230, 13510, 13896, 14112, 15120, 15440, 15680, 16212, 17370, 17640, 18528, 18914, 20160, 20265, 20844, 21168, 21616, 23160, 23520, 24318, 26055, 26460, 27020, 27792, 28224, 28371, 30240, 30880, 32424, 34740, 35280, 36477, 37056, 37828, 40530, 41688, 42336, 43232, 46320, 47040, 47285, 48636, 52110, 52920, 54040, 55584, 56742, 60480, 60795, 61760, 64848, 69480, 70560, 72954, 75656, 81060, 83376, 84672, 85113, 86464, 92640, 94570, 97272, 104220, 105840, 108080, 111168, 113484, 121590, 129696, 138960, 141120, 141855, 145908, 151312, 162120, 166752, 170226, 182385, 185280, 189140, 194544, 208440, 211680, 216160, 226968, 243180, 255339, 259392, 277920, 283710, 291816, 302624, 324240, 333504, 340452, 364770, 378280, 389088, 416880, 423360, 425565, 432320, 453936, 486360, 510678, 555840, 567420, 583632, 605248, 648480, 680904, 729540, 756560, 778176, 833760, 851130, 907872, 972720, 1021356, 1134840, 1167264, 1276695, 1296960, 1361808, 1459080, 1513120, 1667520, 1702260, 1815744, 1945440, 2042712, 2269680, 2334528, 2553390, 2723616, 2918160, 3026240, 3404520, 3890880, 4085424, 4539360, 5106780, 5447232, 5836320, 6809040, 8170848, 9078720, 10213560, 11672640, 13618080, 16341696, 20427120, 27236160, 40854240, 81708480]

約数ペア:

[(1, 81708480), (2, 40854240), (3, 27236160), (4, 20427120), (5, 16341696), (6, 13618080), (7, 11672640), (8, 10213560), (9, 9078720), (10, 8170848), (12, 6809040), (14, 5836320), (15, 5447232), (16, 5106780), (18, 4539360), (20, 4085424), (21, 3890880), (24, 3404520), (27, 3026240), (28, 2918160), (30, 2723616), (32, 2553390), (35, 2334528), (36, 2269680), (40, 2042712), (42, 1945440), (45, 1815744), (48, 1702260), (49, 1667520), (54, 1513120), (56, 1459080), (60, 1361808), (63, 1296960), (64, 1276695), (70, 1167264), (72, 1134840), (80, 1021356), (84, 972720), (90, 907872), (96, 851130), (98, 833760), (105, 778176), (108, 756560), (112, 729540), (120, 680904), (126, 648480), (135, 605248), (140, 583632), (144, 567420), (147, 555840), (160, 510678), (168, 486360), (180, 453936), (189, 432320), (192, 425565), (193, 423360), (196, 416880), (210, 389088), (216, 378280), (224, 364770), (240, 340452), (245, 333504), (252, 324240), (270, 302624), (280, 291816), (288, 283710), (294, 277920), (315, 259392), (320, 255339), (336, 243180), (360, 226968), (378, 216160), (386, 211680), (392, 208440), (420, 194544), (432, 189140), (441, 185280), (448, 182385), (480, 170226), (490, 166752), (504, 162120), (540, 151312), (560, 145908), (576, 141855), (579, 141120), (588, 138960), (630, 129696), (672, 121590), (720, 113484), (735, 111168), (756, 108080), (772, 105840), (784, 104220), (840, 97272), (864, 94570), (882, 92640), (945, 86464), (960, 85113), (965, 84672), (980, 83376), (1008, 81060), (1080, 75656), (1120, 72954), (1158, 70560), (1176, 69480), (1260, 64848), (1323, 61760), (1344, 60795), (1351, 60480), (1440, 56742), (1470, 55584), (1512, 54040), (1544, 52920), (1568, 52110), (1680, 48636), (1728, 47285), (1737, 47040), (1764, 46320), (1890, 43232), (1930, 42336), (1960, 41688), (2016, 40530), (2160, 37828), (2205, 37056), (2240, 36477), (2316, 35280), (2352, 34740), (2520, 32424), (2646, 30880), (2702, 30240), (2880, 28371), (2895, 28224), (2940, 27792), (3024, 27020), (3088, 26460), (3136, 26055), (3360, 24318), (3474, 23520), (3528, 23160), (3780, 21616), (3860, 21168), (3920, 20844), (4032, 20265), (4053, 20160), (4320, 18914), (4410, 18528), (4632, 17640), (4704, 17370), (5040, 16212), (5211, 15680), (5292, 15440), (5404, 15120), (5790, 14112), (5880, 13896), (6048, 13510), (6176, 13230), (6615, 12352), (6720, 12159), (6755, 12096), (6948, 11760), (7056, 11580), (7560, 10808), (7720, 10584), (7840, 10422), (8106, 10080), (8640, 9457), (8685, 9408), (8820, 9264)]