81083520

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{2011}}^1$

素因数の和:2043

約数の個数: 192

約数和(自身を含む): 320149440

約数和(自身を除く): 239065920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2011, 2016, 2240, 2520, 2688, 2880, 3360, 4022, 4032, 4480, 5040, 5760, 6033, 6720, 8044, 8064, 10055, 10080, 12066, 13440, 14077, 16088, 18099, 20110, 20160, 24132, 28154, 30165, 32176, 36198, 40220, 40320, 42231, 48264, 56308, 60330, 64352, 70385, 72396, 80440, 84462, 90495, 96528, 112616, 120660, 126693, 128704, 140770, 144792, 160880, 168924, 180990, 193056, 211155, 225232, 241320, 253386, 257408, 281540, 289584, 321760, 337848, 361980, 386112, 422310, 450464, 482640, 506772, 563080, 579168, 633465, 643520, 675696, 723960, 772224, 844620, 900928, 965280, 1013544, 1126160, 1158336, 1266930, 1287040, 1351392, 1447920, 1689240, 1801856, 1930560, 2027088, 2252320, 2316672, 2533860, 2702784, 2895840, 3378480, 3861120, 4054176, 4504640, 5067720, 5405568, 5791680, 6756960, 8108352, 9009280, 10135440, 11583360, 13513920, 16216704, 20270880, 27027840, 40541760, 81083520]

約数ペア:

[(1, 81083520), (2, 40541760), (3, 27027840), (4, 20270880), (5, 16216704), (6, 13513920), (7, 11583360), (8, 10135440), (9, 9009280), (10, 8108352), (12, 6756960), (14, 5791680), (15, 5405568), (16, 5067720), (18, 4504640), (20, 4054176), (21, 3861120), (24, 3378480), (28, 2895840), (30, 2702784), (32, 2533860), (35, 2316672), (36, 2252320), (40, 2027088), (42, 1930560), (45, 1801856), (48, 1689240), (56, 1447920), (60, 1351392), (63, 1287040), (64, 1266930), (70, 1158336), (72, 1126160), (80, 1013544), (84, 965280), (90, 900928), (96, 844620), (105, 772224), (112, 723960), (120, 675696), (126, 643520), (128, 633465), (140, 579168), (144, 563080), (160, 506772), (168, 482640), (180, 450464), (192, 422310), (210, 386112), (224, 361980), (240, 337848), (252, 321760), (280, 289584), (288, 281540), (315, 257408), (320, 253386), (336, 241320), (360, 225232), (384, 211155), (420, 193056), (448, 180990), (480, 168924), (504, 160880), (560, 144792), (576, 140770), (630, 128704), (640, 126693), (672, 120660), (720, 112616), (840, 96528), (896, 90495), (960, 84462), (1008, 80440), (1120, 72396), (1152, 70385), (1260, 64352), (1344, 60330), (1440, 56308), (1680, 48264), (1920, 42231), (2011, 40320), (2016, 40220), (2240, 36198), (2520, 32176), (2688, 30165), (2880, 28154), (3360, 24132), (4022, 20160), (4032, 20110), (4480, 18099), (5040, 16088), (5760, 14077), (6033, 13440), (6720, 12066), (8044, 10080), (8064, 10055)]