2781889152

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{21121}}^1$

素因数の和:21159

約数の個数: 128

約数和(自身を含む): 8617776000

約数和(自身を除く): 5835886848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 2058, 2352, 2688, 2744, 3136, 4116, 4704, 5488, 6272, 8232, 9408, 10976, 16464, 18816, 21121, 21952, 32928, 42242, 43904, 63363, 65856, 84484, 126726, 131712, 147847, 168968, 253452, 295694, 337936, 443541, 506904, 591388, 675872, 887082, 1013808, 1034929, 1182776, 1351744, 1774164, 2027616, 2069858, 2365552, 2703488, 3104787, 3548328, 4055232, 4139716, 4731104, 6209574, 7096656, 7244503, 8110464, 8279432, 9462208, 12419148, 14193312, 14489006, 16558864, 18924416, 21733509, 24838296, 28386624, 28978012, 33117728, 43467018, 49676592, 56773248, 57956024, 66235456, 86934036, 99353184, 115912048, 132470912, 173868072, 198706368, 231824096, 347736144, 397412736, 463648192, 695472288, 927296384, 1390944576, 2781889152]

約数ペア:

[(1, 2781889152), (2, 1390944576), (3, 927296384), (4, 695472288), (6, 463648192), (7, 397412736), (8, 347736144), (12, 231824096), (14, 198706368), (16, 173868072), (21, 132470912), (24, 115912048), (28, 99353184), (32, 86934036), (42, 66235456), (48, 57956024), (49, 56773248), (56, 49676592), (64, 43467018), (84, 33117728), (96, 28978012), (98, 28386624), (112, 24838296), (128, 21733509), (147, 18924416), (168, 16558864), (192, 14489006), (196, 14193312), (224, 12419148), (294, 9462208), (336, 8279432), (343, 8110464), (384, 7244503), (392, 7096656), (448, 6209574), (588, 4731104), (672, 4139716), (686, 4055232), (784, 3548328), (896, 3104787), (1029, 2703488), (1176, 2365552), (1344, 2069858), (1372, 2027616), (1568, 1774164), (2058, 1351744), (2352, 1182776), (2688, 1034929), (2744, 1013808), (3136, 887082), (4116, 675872), (4704, 591388), (5488, 506904), (6272, 443541), (8232, 337936), (9408, 295694), (10976, 253452), (16464, 168968), (18816, 147847), (21121, 131712), (21952, 126726), (32928, 84484), (42242, 65856), (43904, 63363)]