21332782080

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{51439}}^1$

素因数の和:51476

約数の個数: 220

約数和(自身を含む): 76446115680

約数和(自身を除く): 55113333600

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4320, 4608, 5120, 5184, 5760, 6480, 6912, 7680, 8640, 9216, 10368, 11520, 12960, 13824, 15360, 17280, 20736, 23040, 25920, 27648, 34560, 41472, 46080, 51439, 51840, 69120, 82944, 102878, 103680, 138240, 154317, 205756, 207360, 257195, 308634, 411512, 414720, 462951, 514390, 617268, 771585, 823024, 925902, 1028780, 1234536, 1388853, 1543170, 1646048, 1851804, 2057560, 2314755, 2469072, 2777706, 3086340, 3292096, 3703608, 4115120, 4166559, 4629510, 4938144, 5555412, 6172680, 6584192, 6944265, 7407216, 8230240, 8333118, 9259020, 9876288, 11110824, 12345360, 13168384, 13888530, 14814432, 16460480, 16666236, 18518040, 19752576, 20832795, 22221648, 24690720, 26336768, 27777060, 29628864, 32920960, 33332472, 37036080, 39505152, 41665590, 44443296, 49381440, 52673536, 55554120, 59257728, 65841920, 66664944, 74072160, 79010304, 83331180, 88886592, 98762880, 111108240, 118515456, 131683840, 133329888, 148144320, 158020608, 166662360, 177773184, 197525760, 222216480, 237030912, 263367680, 266659776, 296288640, 333324720, 355546368, 395051520, 444432960, 474061824, 533319552, 592577280, 666649440, 711092736, 790103040, 888865920, 1066639104, 1185154560, 1333298880, 1422185472, 1777731840, 2133278208, 2370309120, 2666597760, 3555463680, 4266556416, 5333195520, 7110927360, 10666391040, 21332782080]

約数ペア:

[(1, 21332782080), (2, 10666391040), (3, 7110927360), (4, 5333195520), (5, 4266556416), (6, 3555463680), (8, 2666597760), (9, 2370309120), (10, 2133278208), (12, 1777731840), (15, 1422185472), (16, 1333298880), (18, 1185154560), (20, 1066639104), (24, 888865920), (27, 790103040), (30, 711092736), (32, 666649440), (36, 592577280), (40, 533319552), (45, 474061824), (48, 444432960), (54, 395051520), (60, 355546368), (64, 333324720), (72, 296288640), (80, 266659776), (81, 263367680), (90, 237030912), (96, 222216480), (108, 197525760), (120, 177773184), (128, 166662360), (135, 158020608), (144, 148144320), (160, 133329888), (162, 131683840), (180, 118515456), (192, 111108240), (216, 98762880), (240, 88886592), (256, 83331180), (270, 79010304), (288, 74072160), (320, 66664944), (324, 65841920), (360, 59257728), (384, 55554120), (405, 52673536), (432, 49381440), (480, 44443296), (512, 41665590), (540, 39505152), (576, 37036080), (640, 33332472), (648, 32920960), (720, 29628864), (768, 27777060), (810, 26336768), (864, 24690720), (960, 22221648), (1024, 20832795), (1080, 19752576), (1152, 18518040), (1280, 16666236), (1296, 16460480), (1440, 14814432), (1536, 13888530), (1620, 13168384), (1728, 12345360), (1920, 11110824), (2160, 9876288), (2304, 9259020), (2560, 8333118), (2592, 8230240), (2880, 7407216), (3072, 6944265), (3240, 6584192), (3456, 6172680), (3840, 5555412), (4320, 4938144), (4608, 4629510), (5120, 4166559), (5184, 4115120), (5760, 3703608), (6480, 3292096), (6912, 3086340), (7680, 2777706), (8640, 2469072), (9216, 2314755), (10368, 2057560), (11520, 1851804), (12960, 1646048), (13824, 1543170), (15360, 1388853), (17280, 1234536), (20736, 1028780), (23040, 925902), (25920, 823024), (27648, 771585), (34560, 617268), (41472, 514390), (46080, 462951), (51439, 414720), (51840, 411512), (69120, 308634), (82944, 257195), (102878, 207360), (103680, 205756), (138240, 154317)]