21284743680

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{307939}}^1$

素因数の和:307971

約数の個数: 160

約数和(自身を含む): 75605428800

約数和(自身を除く): 54320685120

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, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 23040, 34560, 69120, 307939, 615878, 923817, 1231756, 1539695, 1847634, 2463512, 2771451, 3079390, 3695268, 4619085, 4927024, 5542902, 6158780, 7390536, 8314353, 9238170, 9854048, 11085804, 12317560, 13857255, 14781072, 16628706, 18476340, 19708096, 22171608, 24635120, 27714510, 29562144, 33257412, 36952680, 39416192, 41571765, 44343216, 49270240, 55429020, 59124288, 66514824, 73905360, 78832384, 83143530, 88686432, 98540480, 110858040, 118248576, 133029648, 147810720, 157664768, 166287060, 177372864, 197080960, 221716080, 236497152, 266059296, 295621440, 332574120, 354745728, 394161920, 443432160, 472994304, 532118592, 591242880, 665148240, 709491456, 788323840, 886864320, 1064237184, 1182485760, 1330296480, 1418982912, 1773728640, 2128474368, 2364971520, 2660592960, 3547457280, 4256948736, 5321185920, 7094914560, 10642371840, 21284743680]

約数ペア:

[(1, 21284743680), (2, 10642371840), (3, 7094914560), (4, 5321185920), (5, 4256948736), (6, 3547457280), (8, 2660592960), (9, 2364971520), (10, 2128474368), (12, 1773728640), (15, 1418982912), (16, 1330296480), (18, 1182485760), (20, 1064237184), (24, 886864320), (27, 788323840), (30, 709491456), (32, 665148240), (36, 591242880), (40, 532118592), (45, 472994304), (48, 443432160), (54, 394161920), (60, 354745728), (64, 332574120), (72, 295621440), (80, 266059296), (90, 236497152), (96, 221716080), (108, 197080960), (120, 177372864), (128, 166287060), (135, 157664768), (144, 147810720), (160, 133029648), (180, 118248576), (192, 110858040), (216, 98540480), (240, 88686432), (256, 83143530), (270, 78832384), (288, 73905360), (320, 66514824), (360, 59124288), (384, 55429020), (432, 49270240), (480, 44343216), (512, 41571765), (540, 39416192), (576, 36952680), (640, 33257412), (720, 29562144), (768, 27714510), (864, 24635120), (960, 22171608), (1080, 19708096), (1152, 18476340), (1280, 16628706), (1440, 14781072), (1536, 13857255), (1728, 12317560), (1920, 11085804), (2160, 9854048), (2304, 9238170), (2560, 8314353), (2880, 7390536), (3456, 6158780), (3840, 5542902), (4320, 4927024), (4608, 4619085), (5760, 3695268), (6912, 3079390), (7680, 2771451), (8640, 2463512), (11520, 1847634), (13824, 1539695), (17280, 1231756), (23040, 923817), (34560, 615878), (69120, 307939)]