315760640

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:637

約数の個数: 112

約数和(自身を含む): 817446168

約数和(自身を除く): 501685528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 593, 640, 832, 1024, 1040, 1186, 1280, 1664, 2048, 2080, 2372, 2560, 2965, 3328, 4096, 4160, 4744, 5120, 5930, 6656, 7709, 8192, 8320, 9488, 10240, 11860, 13312, 15418, 16640, 18976, 20480, 23720, 26624, 30836, 33280, 37952, 38545, 40960, 47440, 53248, 61672, 66560, 75904, 77090, 94880, 106496, 123344, 133120, 151808, 154180, 189760, 246688, 266240, 303616, 308360, 379520, 493376, 532480, 607232, 616720, 759040, 986752, 1214464, 1233440, 1518080, 1973504, 2428928, 2466880, 3036160, 3947008, 4857856, 4933760, 6072320, 7894016, 9867520, 12144640, 15788032, 19735040, 24289280, 31576064, 39470080, 63152128, 78940160, 157880320, 315760640]

約数ペア:

[(1, 315760640), (2, 157880320), (4, 78940160), (5, 63152128), (8, 39470080), (10, 31576064), (13, 24289280), (16, 19735040), (20, 15788032), (26, 12144640), (32, 9867520), (40, 7894016), (52, 6072320), (64, 4933760), (65, 4857856), (80, 3947008), (104, 3036160), (128, 2466880), (130, 2428928), (160, 1973504), (208, 1518080), (256, 1233440), (260, 1214464), (320, 986752), (416, 759040), (512, 616720), (520, 607232), (593, 532480), (640, 493376), (832, 379520), (1024, 308360), (1040, 303616), (1186, 266240), (1280, 246688), (1664, 189760), (2048, 154180), (2080, 151808), (2372, 133120), (2560, 123344), (2965, 106496), (3328, 94880), (4096, 77090), (4160, 75904), (4744, 66560), (5120, 61672), (5930, 53248), (6656, 47440), (7709, 40960), (8192, 38545), (8320, 37952), (9488, 33280), (10240, 30836), (11860, 26624), (13312, 23720), (15418, 20480), (16640, 18976)]