1291837680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{85439}}^1$

素因数の和:85468

約数の個数: 160

約数和(自身を含む): 5085388800

約数和(自身を除く): 3793551120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 85439, 170878, 256317, 341756, 427195, 512634, 598073, 683512, 768951, 854390, 1025268, 1196146, 1281585, 1367024, 1537902, 1708780, 1794219, 2050536, 2306853, 2392292, 2563170, 2990365, 3075804, 3417560, 3588438, 3844755, 4101072, 4613706, 4784584, 5126340, 5382657, 5980730, 6151608, 6835120, 7176876, 7689510, 8971095, 9227412, 9569168, 10252680, 10765314, 11534265, 11961460, 12303216, 14353752, 15379020, 16147971, 17942190, 18454824, 20505360, 21530628, 23068530, 23922920, 26913285, 28707504, 30758040, 32295942, 35884380, 36909648, 43061256, 46137060, 47845840, 53826570, 61516080, 64591884, 71768760, 80739855, 86122512, 92274120, 107653140, 129183768, 143537520, 161479710, 184548240, 215306280, 258367536, 322959420, 430612560, 645918840, 1291837680]

約数ペア:

[(1, 1291837680), (2, 645918840), (3, 430612560), (4, 322959420), (5, 258367536), (6, 215306280), (7, 184548240), (8, 161479710), (9, 143537520), (10, 129183768), (12, 107653140), (14, 92274120), (15, 86122512), (16, 80739855), (18, 71768760), (20, 64591884), (21, 61516080), (24, 53826570), (27, 47845840), (28, 46137060), (30, 43061256), (35, 36909648), (36, 35884380), (40, 32295942), (42, 30758040), (45, 28707504), (48, 26913285), (54, 23922920), (56, 23068530), (60, 21530628), (63, 20505360), (70, 18454824), (72, 17942190), (80, 16147971), (84, 15379020), (90, 14353752), (105, 12303216), (108, 11961460), (112, 11534265), (120, 10765314), (126, 10252680), (135, 9569168), (140, 9227412), (144, 8971095), (168, 7689510), (180, 7176876), (189, 6835120), (210, 6151608), (216, 5980730), (240, 5382657), (252, 5126340), (270, 4784584), (280, 4613706), (315, 4101072), (336, 3844755), (360, 3588438), (378, 3417560), (420, 3075804), (432, 2990365), (504, 2563170), (540, 2392292), (560, 2306853), (630, 2050536), (720, 1794219), (756, 1708780), (840, 1537902), (945, 1367024), (1008, 1281585), (1080, 1196146), (1260, 1025268), (1512, 854390), (1680, 768951), (1890, 683512), (2160, 598073), (2520, 512634), (3024, 427195), (3780, 341756), (5040, 256317), (7560, 170878), (15120, 85439)]