81537325920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{608851}}^1$

素因数の和:608906

約数の個数: 192

約数和(自身を含む): 294586951680

約数和(自身を除く): 213049625760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 6696, 7440, 8370, 8928, 11160, 13392, 14880, 16740, 22320, 26784, 33480, 44640, 66960, 133920, 608851, 1217702, 1826553, 2435404, 3044255, 3653106, 4870808, 5479659, 6088510, 7306212, 9132765, 9741616, 10959318, 12177020, 14612424, 16438977, 18265530, 18874381, 19483232, 21918636, 24354040, 27398295, 29224848, 32877954, 36531060, 37748762, 43837272, 48708080, 54796590, 56623143, 58449696, 65755908, 73062120, 75497524, 82194885, 87674544, 94371905, 97416160, 109593180, 113246286, 131511816, 146124240, 150995048, 164389770, 169869429, 175349088, 188743810, 219186360, 226492572, 263023632, 283115715, 292248480, 301990096, 328779540, 339738858, 377487620, 438372720, 452985144, 509608287, 526047264, 566231430, 603980192, 657559080, 679477716, 754975240, 849347145, 876745440, 905970288, 1019216574, 1132462860, 1315118160, 1358955432, 1509950480, 1698694290, 1811940576, 2038433148, 2264925720, 2548041435, 2630236320, 2717910864, 3019900960, 3397388580, 4076866296, 4529851440, 5096082870, 5435821728, 6794777160, 8153732592, 9059702880, 10192165740, 13589554320, 16307465184, 20384331480, 27179108640, 40768662960, 81537325920]

約数ペア:

[(1, 81537325920), (2, 40768662960), (3, 27179108640), (4, 20384331480), (5, 16307465184), (6, 13589554320), (8, 10192165740), (9, 9059702880), (10, 8153732592), (12, 6794777160), (15, 5435821728), (16, 5096082870), (18, 4529851440), (20, 4076866296), (24, 3397388580), (27, 3019900960), (30, 2717910864), (31, 2630236320), (32, 2548041435), (36, 2264925720), (40, 2038433148), (45, 1811940576), (48, 1698694290), (54, 1509950480), (60, 1358955432), (62, 1315118160), (72, 1132462860), (80, 1019216574), (90, 905970288), (93, 876745440), (96, 849347145), (108, 754975240), (120, 679477716), (124, 657559080), (135, 603980192), (144, 566231430), (155, 526047264), (160, 509608287), (180, 452985144), (186, 438372720), (216, 377487620), (240, 339738858), (248, 328779540), (270, 301990096), (279, 292248480), (288, 283115715), (310, 263023632), (360, 226492572), (372, 219186360), (432, 188743810), (465, 175349088), (480, 169869429), (496, 164389770), (540, 150995048), (558, 146124240), (620, 131511816), (720, 113246286), (744, 109593180), (837, 97416160), (864, 94371905), (930, 87674544), (992, 82194885), (1080, 75497524), (1116, 73062120), (1240, 65755908), (1395, 58449696), (1440, 56623143), (1488, 54796590), (1674, 48708080), (1860, 43837272), (2160, 37748762), (2232, 36531060), (2480, 32877954), (2790, 29224848), (2976, 27398295), (3348, 24354040), (3720, 21918636), (4185, 19483232), (4320, 18874381), (4464, 18265530), (4960, 16438977), (5580, 14612424), (6696, 12177020), (7440, 10959318), (8370, 9741616), (8928, 9132765), (11160, 7306212), (13392, 6088510), (14880, 5479659), (16740, 4870808), (22320, 3653106), (26784, 3044255), (33480, 2435404), (44640, 1826553), (66960, 1217702), (133920, 608851)]