2780421120

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{20113}}^1$

素因数の和:20147

約数の個数: 176

約数和(自身を含む): 9881605920

約数和(自身を除く): 7101184800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6912, 7680, 8640, 9216, 11520, 13824, 15360, 17280, 20113, 23040, 27648, 34560, 40226, 46080, 60339, 69120, 80452, 100565, 120678, 138240, 160904, 181017, 201130, 241356, 301695, 321808, 362034, 402260, 482712, 543051, 603390, 643616, 724068, 804520, 905085, 965424, 1086102, 1206780, 1287232, 1448136, 1609040, 1810170, 1930848, 2172204, 2413560, 2574464, 2715255, 2896272, 3218080, 3620340, 3861696, 4344408, 4827120, 5148928, 5430510, 5792544, 6436160, 7240680, 7723392, 8688816, 9654240, 10297856, 10861020, 11585088, 12872320, 14481360, 15446784, 17377632, 19308480, 20595712, 21722040, 23170176, 25744640, 28962720, 30893568, 34755264, 38616960, 43444080, 46340352, 51489280, 57925440, 61787136, 69510528, 77233920, 86888160, 92680704, 102978560, 115850880, 139021056, 154467840, 173776320, 185361408, 231701760, 278042112, 308935680, 347552640, 463403520, 556084224, 695105280, 926807040, 1390210560, 2780421120]

約数ペア:

[(1, 2780421120), (2, 1390210560), (3, 926807040), (4, 695105280), (5, 556084224), (6, 463403520), (8, 347552640), (9, 308935680), (10, 278042112), (12, 231701760), (15, 185361408), (16, 173776320), (18, 154467840), (20, 139021056), (24, 115850880), (27, 102978560), (30, 92680704), (32, 86888160), (36, 77233920), (40, 69510528), (45, 61787136), (48, 57925440), (54, 51489280), (60, 46340352), (64, 43444080), (72, 38616960), (80, 34755264), (90, 30893568), (96, 28962720), (108, 25744640), (120, 23170176), (128, 21722040), (135, 20595712), (144, 19308480), (160, 17377632), (180, 15446784), (192, 14481360), (216, 12872320), (240, 11585088), (256, 10861020), (270, 10297856), (288, 9654240), (320, 8688816), (360, 7723392), (384, 7240680), (432, 6436160), (480, 5792544), (512, 5430510), (540, 5148928), (576, 4827120), (640, 4344408), (720, 3861696), (768, 3620340), (864, 3218080), (960, 2896272), (1024, 2715255), (1080, 2574464), (1152, 2413560), (1280, 2172204), (1440, 1930848), (1536, 1810170), (1728, 1609040), (1920, 1448136), (2160, 1287232), (2304, 1206780), (2560, 1086102), (2880, 965424), (3072, 905085), (3456, 804520), (3840, 724068), (4320, 643616), (4608, 603390), (5120, 543051), (5760, 482712), (6912, 402260), (7680, 362034), (8640, 321808), (9216, 301695), (11520, 241356), (13824, 201130), (15360, 181017), (17280, 160904), (20113, 138240), (23040, 120678), (27648, 100565), (34560, 80452), (40226, 69120), (46080, 60339)]