81325440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{2017}}^1$

素因数の和:2049

約数の個数: 192

約数和(自身を含む): 321104160

約数和(自身を除く): 239778720

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, 2016, 2017, 2240, 2520, 2688, 2880, 3360, 4032, 4034, 4480, 5040, 5760, 6051, 6720, 8064, 8068, 10080, 10085, 12102, 13440, 14119, 16136, 18153, 20160, 20170, 24204, 28238, 30255, 32272, 36306, 40320, 40340, 42357, 48408, 56476, 60510, 64544, 70595, 72612, 80680, 84714, 90765, 96816, 112952, 121020, 127071, 129088, 141190, 145224, 161360, 169428, 181530, 193632, 211785, 225904, 242040, 254142, 258176, 282380, 290448, 322720, 338856, 363060, 387264, 423570, 451808, 484080, 508284, 564760, 580896, 635355, 645440, 677712, 726120, 774528, 847140, 903616, 968160, 1016568, 1129520, 1161792, 1270710, 1290880, 1355424, 1452240, 1694280, 1807232, 1936320, 2033136, 2259040, 2323584, 2541420, 2710848, 2904480, 3388560, 3872640, 4066272, 4518080, 5082840, 5421696, 5808960, 6777120, 8132544, 9036160, 10165680, 11617920, 13554240, 16265088, 20331360, 27108480, 40662720, 81325440]

約数ペア:

[(1, 81325440), (2, 40662720), (3, 27108480), (4, 20331360), (5, 16265088), (6, 13554240), (7, 11617920), (8, 10165680), (9, 9036160), (10, 8132544), (12, 6777120), (14, 5808960), (15, 5421696), (16, 5082840), (18, 4518080), (20, 4066272), (21, 3872640), (24, 3388560), (28, 2904480), (30, 2710848), (32, 2541420), (35, 2323584), (36, 2259040), (40, 2033136), (42, 1936320), (45, 1807232), (48, 1694280), (56, 1452240), (60, 1355424), (63, 1290880), (64, 1270710), (70, 1161792), (72, 1129520), (80, 1016568), (84, 968160), (90, 903616), (96, 847140), (105, 774528), (112, 726120), (120, 677712), (126, 645440), (128, 635355), (140, 580896), (144, 564760), (160, 508284), (168, 484080), (180, 451808), (192, 423570), (210, 387264), (224, 363060), (240, 338856), (252, 322720), (280, 290448), (288, 282380), (315, 258176), (320, 254142), (336, 242040), (360, 225904), (384, 211785), (420, 193632), (448, 181530), (480, 169428), (504, 161360), (560, 145224), (576, 141190), (630, 129088), (640, 127071), (672, 121020), (720, 112952), (840, 96816), (896, 90765), (960, 84714), (1008, 80680), (1120, 72612), (1152, 70595), (1260, 64544), (1344, 60510), (1440, 56476), (1680, 48408), (1920, 42357), (2016, 40340), (2017, 40320), (2240, 36306), (2520, 32272), (2688, 30255), (2880, 28238), (3360, 24204), (4032, 20170), (4034, 20160), (4480, 18153), (5040, 16136), (5760, 14119), (6051, 13440), (6720, 12102), (8064, 10085), (8068, 10080)]