28028160

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{811}}^1$

素因数の和:841

約数の個数: 144

約数和(自身を含む): 99583680

約数和(自身を除く): 71555520

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, 540, 576, 640, 720, 768, 811, 864, 960, 1080, 1152, 1280, 1440, 1622, 1728, 1920, 2160, 2304, 2433, 2880, 3244, 3456, 3840, 4055, 4320, 4866, 5760, 6488, 6912, 7299, 8110, 8640, 9732, 11520, 12165, 12976, 14598, 16220, 17280, 19464, 21897, 24330, 25952, 29196, 32440, 34560, 36495, 38928, 43794, 48660, 51904, 58392, 64880, 72990, 77856, 87588, 97320, 103808, 109485, 116784, 129760, 145980, 155712, 175176, 194640, 207616, 218970, 233568, 259520, 291960, 311424, 350352, 389280, 437940, 467136, 519040, 583920, 622848, 700704, 778560, 875880, 934272, 1038080, 1167840, 1401408, 1557120, 1751760, 1868544, 2335680, 2802816, 3114240, 3503520, 4671360, 5605632, 7007040, 9342720, 14014080, 28028160]

約数ペア:

[(1, 28028160), (2, 14014080), (3, 9342720), (4, 7007040), (5, 5605632), (6, 4671360), (8, 3503520), (9, 3114240), (10, 2802816), (12, 2335680), (15, 1868544), (16, 1751760), (18, 1557120), (20, 1401408), (24, 1167840), (27, 1038080), (30, 934272), (32, 875880), (36, 778560), (40, 700704), (45, 622848), (48, 583920), (54, 519040), (60, 467136), (64, 437940), (72, 389280), (80, 350352), (90, 311424), (96, 291960), (108, 259520), (120, 233568), (128, 218970), (135, 207616), (144, 194640), (160, 175176), (180, 155712), (192, 145980), (216, 129760), (240, 116784), (256, 109485), (270, 103808), (288, 97320), (320, 87588), (360, 77856), (384, 72990), (432, 64880), (480, 58392), (540, 51904), (576, 48660), (640, 43794), (720, 38928), (768, 36495), (811, 34560), (864, 32440), (960, 29196), (1080, 25952), (1152, 24330), (1280, 21897), (1440, 19464), (1622, 17280), (1728, 16220), (1920, 14598), (2160, 12976), (2304, 12165), (2433, 11520), (2880, 9732), (3244, 8640), (3456, 8110), (3840, 7299), (4055, 6912), (4320, 6488), (4866, 5760)]