20161609920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{5431}}^1$

素因数の和:6743

約数の個数: 168

約数和(自身を含む): 69414115680

約数和(自身を除く): 49252505760

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, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1289, 1440, 2578, 2880, 3867, 5156, 5431, 6445, 7734, 10312, 10862, 11601, 12890, 15468, 16293, 19335, 20624, 21724, 23202, 25780, 27155, 30936, 32586, 38670, 41248, 43448, 46404, 48879, 51560, 54310, 58005, 61872, 65172, 77340, 81465, 82496, 86896, 92808, 97758, 103120, 108620, 116010, 123744, 130344, 154680, 162930, 173792, 185616, 195516, 206240, 217240, 232020, 244395, 247488, 260688, 309360, 325860, 347584, 371232, 391032, 412480, 434480, 464040, 488790, 521376, 618720, 651720, 742464, 782064, 868960, 928080, 977580, 1042752, 1237440, 1303440, 1564128, 1737920, 1856160, 1955160, 2606880, 3128256, 3712320, 3910320, 5213760, 7000559, 7820640, 14001118, 15641280, 21001677, 28002236, 35002795, 42003354, 56004472, 63005031, 70005590, 84006708, 105008385, 112008944, 126010062, 140011180, 168013416, 210016770, 224017888, 252020124, 280022360, 315025155, 336026832, 420033540, 448035776, 504040248, 560044720, 630050310, 672053664, 840067080, 1008080496, 1120089440, 1260100620, 1344107328, 1680134160, 2016160992, 2240178880, 2520201240, 3360268320, 4032321984, 5040402480, 6720536640, 10080804960, 20161609920]

約数ペア:

[(1, 20161609920), (2, 10080804960), (3, 6720536640), (4, 5040402480), (5, 4032321984), (6, 3360268320), (8, 2520201240), (9, 2240178880), (10, 2016160992), (12, 1680134160), (15, 1344107328), (16, 1260100620), (18, 1120089440), (20, 1008080496), (24, 840067080), (30, 672053664), (32, 630050310), (36, 560044720), (40, 504040248), (45, 448035776), (48, 420033540), (60, 336026832), (64, 315025155), (72, 280022360), (80, 252020124), (90, 224017888), (96, 210016770), (120, 168013416), (144, 140011180), (160, 126010062), (180, 112008944), (192, 105008385), (240, 84006708), (288, 70005590), (320, 63005031), (360, 56004472), (480, 42003354), (576, 35002795), (720, 28002236), (960, 21001677), (1289, 15641280), (1440, 14001118), (2578, 7820640), (2880, 7000559), (3867, 5213760), (5156, 3910320), (5431, 3712320), (6445, 3128256), (7734, 2606880), (10312, 1955160), (10862, 1856160), (11601, 1737920), (12890, 1564128), (15468, 1303440), (16293, 1237440), (19335, 1042752), (20624, 977580), (21724, 928080), (23202, 868960), (25780, 782064), (27155, 742464), (30936, 651720), (32586, 618720), (38670, 521376), (41248, 488790), (43448, 464040), (46404, 434480), (48879, 412480), (51560, 391032), (54310, 371232), (58005, 347584), (61872, 325860), (65172, 309360), (77340, 260688), (81465, 247488), (82496, 244395), (86896, 232020), (92808, 217240), (97758, 206240), (103120, 195516), (108620, 185616), (116010, 173792), (123744, 162930), (130344, 154680)]