637665280

素因数分解:

$2^{17}\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 1761600960

約数和(自身を除く): 1123935680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 256, 278, 280, 320, 448, 512, 556, 560, 640, 695, 896, 973, 1024, 1112, 1120, 1280, 1390, 1792, 1946, 2048, 2224, 2240, 2560, 2780, 3584, 3892, 4096, 4448, 4480, 4865, 5120, 5560, 7168, 7784, 8192, 8896, 8960, 9730, 10240, 11120, 14336, 15568, 16384, 17792, 17920, 19460, 20480, 22240, 28672, 31136, 32768, 35584, 35840, 38920, 40960, 44480, 57344, 62272, 65536, 71168, 71680, 77840, 81920, 88960, 114688, 124544, 131072, 142336, 143360, 155680, 163840, 177920, 229376, 249088, 284672, 286720, 311360, 327680, 355840, 458752, 498176, 569344, 573440, 622720, 655360, 711680, 917504, 996352, 1138688, 1146880, 1245440, 1423360, 1992704, 2277376, 2293760, 2490880, 2846720, 3985408, 4554752, 4587520, 4981760, 5693440, 7970816, 9109504, 9963520, 11386880, 15941632, 18219008, 19927040, 22773760, 31883264, 39854080, 45547520, 63766528, 79708160, 91095040, 127533056, 159416320, 318832640, 637665280]

約数ペア:

[(1, 637665280), (2, 318832640), (4, 159416320), (5, 127533056), (7, 91095040), (8, 79708160), (10, 63766528), (14, 45547520), (16, 39854080), (20, 31883264), (28, 22773760), (32, 19927040), (35, 18219008), (40, 15941632), (56, 11386880), (64, 9963520), (70, 9109504), (80, 7970816), (112, 5693440), (128, 4981760), (139, 4587520), (140, 4554752), (160, 3985408), (224, 2846720), (256, 2490880), (278, 2293760), (280, 2277376), (320, 1992704), (448, 1423360), (512, 1245440), (556, 1146880), (560, 1138688), (640, 996352), (695, 917504), (896, 711680), (973, 655360), (1024, 622720), (1112, 573440), (1120, 569344), (1280, 498176), (1390, 458752), (1792, 355840), (1946, 327680), (2048, 311360), (2224, 286720), (2240, 284672), (2560, 249088), (2780, 229376), (3584, 177920), (3892, 163840), (4096, 155680), (4448, 143360), (4480, 142336), (4865, 131072), (5120, 124544), (5560, 114688), (7168, 88960), (7784, 81920), (8192, 77840), (8896, 71680), (8960, 71168), (9730, 65536), (10240, 62272), (11120, 57344), (14336, 44480), (15568, 40960), (16384, 38920), (17792, 35840), (17920, 35584), (19460, 32768), (20480, 31136), (22240, 28672)]