81491397120

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{505279}}^1$

素因数の和:505315

約数の個数: 240

約数和(自身を含む): 322546498560

約数和(自身を除く): 241055101440

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 80640, 161280, 505279, 1010558, 1515837, 2021116, 2526395, 3031674, 3536953, 4042232, 4547511, 5052790, 6063348, 7073906, 7579185, 8084464, 9095022, 10105580, 10610859, 12126696, 14147812, 15158370, 16168928, 17684765, 18190044, 20211160, 21221718, 22737555, 24253392, 28295624, 30316740, 31832577, 32337856, 35369530, 36380088, 40422320, 42443436, 45475110, 48506784, 53054295, 56591248, 60633480, 63665154, 64675712, 70739060, 72760176, 80844640, 84886872, 90950220, 97013568, 106108590, 113182496, 121266960, 127330308, 129351424, 141478120, 145520352, 159162885, 161689280, 169773744, 181900440, 194027136, 212217180, 226364992, 242533920, 254660616, 258702848, 282956240, 291040704, 318325770, 323378560, 339547488, 363800880, 388054272, 424434360, 452729984, 485067840, 509321232, 565912480, 582081408, 636651540, 646757120, 679094976, 727601760, 776108544, 848868720, 905459968, 970135680, 1018642464, 1131824960, 1164162816, 1273303080, 1293514240, 1358189952, 1455203520, 1697737440, 1810919936, 1940271360, 2037284928, 2263649920, 2328325632, 2546606160, 2716379904, 2910407040, 3395474880, 3880542720, 4074569856, 4527299840, 5093212320, 5432759808, 5820814080, 6790949760, 8149139712, 9054599680, 10186424640, 11641628160, 13581899520, 16298279424, 20372849280, 27163799040, 40745698560, 81491397120]

約数ペア:

[(1, 81491397120), (2, 40745698560), (3, 27163799040), (4, 20372849280), (5, 16298279424), (6, 13581899520), (7, 11641628160), (8, 10186424640), (9, 9054599680), (10, 8149139712), (12, 6790949760), (14, 5820814080), (15, 5432759808), (16, 5093212320), (18, 4527299840), (20, 4074569856), (21, 3880542720), (24, 3395474880), (28, 2910407040), (30, 2716379904), (32, 2546606160), (35, 2328325632), (36, 2263649920), (40, 2037284928), (42, 1940271360), (45, 1810919936), (48, 1697737440), (56, 1455203520), (60, 1358189952), (63, 1293514240), (64, 1273303080), (70, 1164162816), (72, 1131824960), (80, 1018642464), (84, 970135680), (90, 905459968), (96, 848868720), (105, 776108544), (112, 727601760), (120, 679094976), (126, 646757120), (128, 636651540), (140, 582081408), (144, 565912480), (160, 509321232), (168, 485067840), (180, 452729984), (192, 424434360), (210, 388054272), (224, 363800880), (240, 339547488), (252, 323378560), (256, 318325770), (280, 291040704), (288, 282956240), (315, 258702848), (320, 254660616), (336, 242533920), (360, 226364992), (384, 212217180), (420, 194027136), (448, 181900440), (480, 169773744), (504, 161689280), (512, 159162885), (560, 145520352), (576, 141478120), (630, 129351424), (640, 127330308), (672, 121266960), (720, 113182496), (768, 106108590), (840, 97013568), (896, 90950220), (960, 84886872), (1008, 80844640), (1120, 72760176), (1152, 70739060), (1260, 64675712), (1280, 63665154), (1344, 60633480), (1440, 56591248), (1536, 53054295), (1680, 48506784), (1792, 45475110), (1920, 42443436), (2016, 40422320), (2240, 36380088), (2304, 35369530), (2520, 32337856), (2560, 31832577), (2688, 30316740), (2880, 28295624), (3360, 24253392), (3584, 22737555), (3840, 21221718), (4032, 20211160), (4480, 18190044), (4608, 17684765), (5040, 16168928), (5376, 15158370), (5760, 14147812), (6720, 12126696), (7680, 10610859), (8064, 10105580), (8960, 9095022), (10080, 8084464), (10752, 7579185), (11520, 7073906), (13440, 6063348), (16128, 5052790), (17920, 4547511), (20160, 4042232), (23040, 3536953), (26880, 3031674), (32256, 2526395), (40320, 2021116), (53760, 1515837), (80640, 1010558), (161280, 505279)]