647990784

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{20089}}^1$

素因数の和:20120

約数の個数: 120

約数和(自身を含む): 2137415280

約数和(自身を除く): 1489424496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3584, 4032, 4608, 5376, 8064, 10752, 16128, 20089, 32256, 40178, 60267, 80356, 120534, 140623, 160712, 180801, 241068, 281246, 321424, 361602, 421869, 482136, 562492, 642848, 723204, 843738, 964272, 1124984, 1265607, 1285696, 1446408, 1687476, 1928544, 2249968, 2531214, 2571392, 2892816, 3374952, 3857088, 4499936, 5062428, 5142784, 5785632, 6749904, 7714176, 8999872, 10124856, 10285568, 11571264, 13499808, 15428352, 17999744, 20249712, 23142528, 26999616, 30856704, 35999488, 40499424, 46285056, 53999232, 71998976, 80998848, 92570112, 107998464, 161997696, 215996928, 323995392, 647990784]

約数ペア:

[(1, 647990784), (2, 323995392), (3, 215996928), (4, 161997696), (6, 107998464), (7, 92570112), (8, 80998848), (9, 71998976), (12, 53999232), (14, 46285056), (16, 40499424), (18, 35999488), (21, 30856704), (24, 26999616), (28, 23142528), (32, 20249712), (36, 17999744), (42, 15428352), (48, 13499808), (56, 11571264), (63, 10285568), (64, 10124856), (72, 8999872), (84, 7714176), (96, 6749904), (112, 5785632), (126, 5142784), (128, 5062428), (144, 4499936), (168, 3857088), (192, 3374952), (224, 2892816), (252, 2571392), (256, 2531214), (288, 2249968), (336, 1928544), (384, 1687476), (448, 1446408), (504, 1285696), (512, 1265607), (576, 1124984), (672, 964272), (768, 843738), (896, 723204), (1008, 642848), (1152, 562492), (1344, 482136), (1536, 421869), (1792, 361602), (2016, 321424), (2304, 281246), (2688, 241068), (3584, 180801), (4032, 160712), (4608, 140623), (5376, 120534), (8064, 80356), (10752, 60267), (16128, 40178), (20089, 32256)]