281508480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1520

約数の個数: 256

約数和(自身を含む): 1088380800

約数和(自身を除く): 806872320

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, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 792, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1320, 1408, 1440, 1481, 1485, 1584, 1728, 1760, 1920, 1980, 2112, 2160, 2376, 2640, 2880, 2962, 2970, 3168, 3456, 3520, 3960, 4224, 4320, 4443, 4752, 5280, 5760, 5924, 5940, 6336, 7040, 7405, 7920, 8640, 8886, 9504, 10560, 11848, 11880, 12672, 13329, 14810, 15840, 16291, 17280, 17772, 19008, 21120, 22215, 23696, 23760, 26658, 29620, 31680, 32582, 35544, 38016, 39987, 44430, 47392, 47520, 48873, 53316, 59240, 63360, 65164, 66645, 71088, 79974, 81455, 88860, 94784, 95040, 97746, 106632, 118480, 130328, 133290, 142176, 146619, 159948, 162910, 177720, 189568, 190080, 195492, 199935, 213264, 236960, 244365, 260656, 266580, 284352, 293238, 319896, 325820, 355440, 390984, 399870, 426528, 439857, 473920, 488730, 521312, 533160, 568704, 586476, 639792, 651640, 710880, 733095, 781968, 799740, 853056, 879714, 947840, 977460, 1042624, 1066320, 1172952, 1279584, 1303280, 1421760, 1466190, 1563936, 1599480, 1706112, 1759428, 1954920, 2085248, 2132640, 2199285, 2345904, 2559168, 2606560, 2843520, 2932380, 3127872, 3198960, 3518856, 3909840, 4265280, 4398570, 4691808, 5118336, 5213120, 5864760, 6255744, 6397920, 7037712, 7819680, 8530560, 8797140, 9383616, 10426240, 11729520, 12795840, 14075424, 15639360, 17594280, 18767232, 23459040, 25591680, 28150848, 31278720, 35188560, 46918080, 56301696, 70377120, 93836160, 140754240, 281508480]

約数ペア:

[(1, 281508480), (2, 140754240), (3, 93836160), (4, 70377120), (5, 56301696), (6, 46918080), (8, 35188560), (9, 31278720), (10, 28150848), (11, 25591680), (12, 23459040), (15, 18767232), (16, 17594280), (18, 15639360), (20, 14075424), (22, 12795840), (24, 11729520), (27, 10426240), (30, 9383616), (32, 8797140), (33, 8530560), (36, 7819680), (40, 7037712), (44, 6397920), (45, 6255744), (48, 5864760), (54, 5213120), (55, 5118336), (60, 4691808), (64, 4398570), (66, 4265280), (72, 3909840), (80, 3518856), (88, 3198960), (90, 3127872), (96, 2932380), (99, 2843520), (108, 2606560), (110, 2559168), (120, 2345904), (128, 2199285), (132, 2132640), (135, 2085248), (144, 1954920), (160, 1759428), (165, 1706112), (176, 1599480), (180, 1563936), (192, 1466190), (198, 1421760), (216, 1303280), (220, 1279584), (240, 1172952), (264, 1066320), (270, 1042624), (288, 977460), (297, 947840), (320, 879714), (330, 853056), (352, 799740), (360, 781968), (384, 733095), (396, 710880), (432, 651640), (440, 639792), (480, 586476), (495, 568704), (528, 533160), (540, 521312), (576, 488730), (594, 473920), (640, 439857), (660, 426528), (704, 399870), (720, 390984), (792, 355440), (864, 325820), (880, 319896), (960, 293238), (990, 284352), (1056, 266580), (1080, 260656), (1152, 244365), (1188, 236960), (1320, 213264), (1408, 199935), (1440, 195492), (1481, 190080), (1485, 189568), (1584, 177720), (1728, 162910), (1760, 159948), (1920, 146619), (1980, 142176), (2112, 133290), (2160, 130328), (2376, 118480), (2640, 106632), (2880, 97746), (2962, 95040), (2970, 94784), (3168, 88860), (3456, 81455), (3520, 79974), (3960, 71088), (4224, 66645), (4320, 65164), (4443, 63360), (4752, 59240), (5280, 53316), (5760, 48873), (5924, 47520), (5940, 47392), (6336, 44430), (7040, 39987), (7405, 38016), (7920, 35544), (8640, 32582), (8886, 31680), (9504, 29620), (10560, 26658), (11848, 23760), (11880, 23696), (12672, 22215), (13329, 21120), (14810, 19008), (15840, 17772), (16291, 17280)]