81490328640

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{449131}}^1$

素因数の和:449167

約数の個数: 280

約数和(自身を含む): 331286949312

約数和(自身を除く): 249796620672

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, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4536, 5040, 5184, 5670, 6048, 6480, 6720, 7560, 8640, 9072, 10080, 11340, 12096, 12960, 15120, 18144, 20160, 22680, 25920, 30240, 36288, 45360, 60480, 90720, 181440, 449131, 898262, 1347393, 1796524, 2245655, 2694786, 3143917, 3593048, 4042179, 4491310, 5389572, 6287834, 6736965, 7186096, 8084358, 8982620, 9431751, 10779144, 12126537, 12575668, 13473930, 14372192, 15719585, 16168716, 17965240, 18863502, 20210895, 21558288, 24253074, 25151336, 26947860, 28295253, 28744384, 31439170, 32337432, 35930480, 36379611, 37727004, 40421790, 43116576, 47158755, 48506148, 50302672, 53895720, 56590506, 60632685, 62878340, 64674864, 71860960, 72759222, 75454008, 80843580, 84885759, 86233152, 94317510, 97012296, 100605344, 107791440, 113181012, 121265370, 125756680, 129349728, 141476265, 143721920, 145518444, 150908016, 161687160, 169771518, 181898055, 188635020, 194024592, 201210688, 215582880, 226362024, 242530740, 251513360, 254657277, 258699456, 282952530, 291036888, 301816032, 323374320, 339543036, 363796110, 377270040, 388049184, 424428795, 431165760, 452724048, 485061480, 503026720, 509314554, 565905060, 582073776, 603632064, 646748640, 679086072, 727592220, 754540080, 776098368, 848857590, 905448096, 970122960, 1006053440, 1018629108, 1131810120, 1164147552, 1273286385, 1293497280, 1358172144, 1455184440, 1509080160, 1697715180, 1810896192, 1940245920, 2037258216, 2263620240, 2328295104, 2546572770, 2716344288, 2910368880, 3018160320, 3395430360, 3880491840, 4074516432, 4527240480, 5093145540, 5432688576, 5820737760, 6790860720, 8149032864, 9054480960, 10186291080, 11641475520, 13581721440, 16298065728, 20372582160, 27163442880, 40745164320, 81490328640]

約数ペア:

[(1, 81490328640), (2, 40745164320), (3, 27163442880), (4, 20372582160), (5, 16298065728), (6, 13581721440), (7, 11641475520), (8, 10186291080), (9, 9054480960), (10, 8149032864), (12, 6790860720), (14, 5820737760), (15, 5432688576), (16, 5093145540), (18, 4527240480), (20, 4074516432), (21, 3880491840), (24, 3395430360), (27, 3018160320), (28, 2910368880), (30, 2716344288), (32, 2546572770), (35, 2328295104), (36, 2263620240), (40, 2037258216), (42, 1940245920), (45, 1810896192), (48, 1697715180), (54, 1509080160), (56, 1455184440), (60, 1358172144), (63, 1293497280), (64, 1273286385), (70, 1164147552), (72, 1131810120), (80, 1018629108), (81, 1006053440), (84, 970122960), (90, 905448096), (96, 848857590), (105, 776098368), (108, 754540080), (112, 727592220), (120, 679086072), (126, 646748640), (135, 603632064), (140, 582073776), (144, 565905060), (160, 509314554), (162, 503026720), (168, 485061480), (180, 452724048), (189, 431165760), (192, 424428795), (210, 388049184), (216, 377270040), (224, 363796110), (240, 339543036), (252, 323374320), (270, 301816032), (280, 291036888), (288, 282952530), (315, 258699456), (320, 254657277), (324, 251513360), (336, 242530740), (360, 226362024), (378, 215582880), (405, 201210688), (420, 194024592), (432, 188635020), (448, 181898055), (480, 169771518), (504, 161687160), (540, 150908016), (560, 145518444), (567, 143721920), (576, 141476265), (630, 129349728), (648, 125756680), (672, 121265370), (720, 113181012), (756, 107791440), (810, 100605344), (840, 97012296), (864, 94317510), (945, 86233152), (960, 84885759), (1008, 80843580), (1080, 75454008), (1120, 72759222), (1134, 71860960), (1260, 64674864), (1296, 62878340), (1344, 60632685), (1440, 56590506), (1512, 53895720), (1620, 50302672), (1680, 48506148), (1728, 47158755), (1890, 43116576), (2016, 40421790), (2160, 37727004), (2240, 36379611), (2268, 35930480), (2520, 32337432), (2592, 31439170), (2835, 28744384), (2880, 28295253), (3024, 26947860), (3240, 25151336), (3360, 24253074), (3780, 21558288), (4032, 20210895), (4320, 18863502), (4536, 17965240), (5040, 16168716), (5184, 15719585), (5670, 14372192), (6048, 13473930), (6480, 12575668), (6720, 12126537), (7560, 10779144), (8640, 9431751), (9072, 8982620), (10080, 8084358), (11340, 7186096), (12096, 6736965), (12960, 6287834), (15120, 5389572), (18144, 4491310), (20160, 4042179), (22680, 3593048), (25920, 3143917), (30240, 2694786), (36288, 2245655), (45360, 1796524), (60480, 1347393), (90720, 898262), (181440, 449131)]