28084320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 240

約数和(自身を含む): 108673488

約数和(自身を除く): 80589168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 197, 198, 216, 220, 240, 264, 270, 288, 297, 324, 330, 352, 360, 394, 396, 405, 432, 440, 480, 495, 528, 540, 591, 594, 648, 660, 720, 788, 792, 810, 864, 880, 891, 985, 990, 1056, 1080, 1182, 1188, 1296, 1320, 1440, 1485, 1576, 1584, 1620, 1760, 1773, 1782, 1970, 1980, 2160, 2167, 2364, 2376, 2592, 2640, 2955, 2970, 3152, 3168, 3240, 3546, 3564, 3940, 3960, 4320, 4334, 4455, 4728, 4752, 5280, 5319, 5910, 5940, 6304, 6480, 6501, 7092, 7128, 7880, 7920, 8668, 8865, 8910, 9456, 9504, 10638, 10835, 11820, 11880, 12960, 13002, 14184, 14256, 15760, 15840, 15957, 17336, 17730, 17820, 18912, 19503, 21276, 21670, 23640, 23760, 26004, 26595, 28368, 28512, 31520, 31914, 32505, 34672, 35460, 35640, 39006, 42552, 43340, 47280, 47520, 52008, 53190, 56736, 58509, 63828, 65010, 69344, 70920, 71280, 78012, 79785, 85104, 86680, 94560, 97515, 104016, 106380, 117018, 127656, 130020, 141840, 142560, 156024, 159570, 170208, 173360, 175527, 195030, 208032, 212760, 234036, 255312, 260040, 283680, 292545, 312048, 319140, 346720, 351054, 390060, 425520, 468072, 510624, 520080, 585090, 624096, 638280, 702108, 780120, 851040, 877635, 936144, 1040160, 1170180, 1276560, 1404216, 1560240, 1755270, 1872288, 2340360, 2553120, 2808432, 3120480, 3510540, 4680720, 5616864, 7021080, 9361440, 14042160, 28084320]

約数ペア:

[(1, 28084320), (2, 14042160), (3, 9361440), (4, 7021080), (5, 5616864), (6, 4680720), (8, 3510540), (9, 3120480), (10, 2808432), (11, 2553120), (12, 2340360), (15, 1872288), (16, 1755270), (18, 1560240), (20, 1404216), (22, 1276560), (24, 1170180), (27, 1040160), (30, 936144), (32, 877635), (33, 851040), (36, 780120), (40, 702108), (44, 638280), (45, 624096), (48, 585090), (54, 520080), (55, 510624), (60, 468072), (66, 425520), (72, 390060), (80, 351054), (81, 346720), (88, 319140), (90, 312048), (96, 292545), (99, 283680), (108, 260040), (110, 255312), (120, 234036), (132, 212760), (135, 208032), (144, 195030), (160, 175527), (162, 173360), (165, 170208), (176, 159570), (180, 156024), (197, 142560), (198, 141840), (216, 130020), (220, 127656), (240, 117018), (264, 106380), (270, 104016), (288, 97515), (297, 94560), (324, 86680), (330, 85104), (352, 79785), (360, 78012), (394, 71280), (396, 70920), (405, 69344), (432, 65010), (440, 63828), (480, 58509), (495, 56736), (528, 53190), (540, 52008), (591, 47520), (594, 47280), (648, 43340), (660, 42552), (720, 39006), (788, 35640), (792, 35460), (810, 34672), (864, 32505), (880, 31914), (891, 31520), (985, 28512), (990, 28368), (1056, 26595), (1080, 26004), (1182, 23760), (1188, 23640), (1296, 21670), (1320, 21276), (1440, 19503), (1485, 18912), (1576, 17820), (1584, 17730), (1620, 17336), (1760, 15957), (1773, 15840), (1782, 15760), (1970, 14256), (1980, 14184), (2160, 13002), (2167, 12960), (2364, 11880), (2376, 11820), (2592, 10835), (2640, 10638), (2955, 9504), (2970, 9456), (3152, 8910), (3168, 8865), (3240, 8668), (3546, 7920), (3564, 7880), (3940, 7128), (3960, 7092), (4320, 6501), (4334, 6480), (4455, 6304), (4728, 5940), (4752, 5910), (5280, 5319)]