340295680

素因数分解:

$2^{15}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 855624960

約数和(自身を除く): 515329280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 155, 160, 248, 256, 268, 310, 320, 335, 496, 512, 536, 620, 640, 670, 992, 1024, 1072, 1240, 1280, 1340, 1984, 2048, 2077, 2144, 2480, 2560, 2680, 3968, 4096, 4154, 4288, 4960, 5120, 5360, 7936, 8192, 8308, 8576, 9920, 10240, 10385, 10720, 15872, 16384, 16616, 17152, 19840, 20480, 20770, 21440, 31744, 32768, 33232, 34304, 39680, 40960, 41540, 42880, 63488, 66464, 68608, 79360, 81920, 83080, 85760, 126976, 132928, 137216, 158720, 163840, 166160, 171520, 253952, 265856, 274432, 317440, 332320, 343040, 507904, 531712, 548864, 634880, 664640, 686080, 1015808, 1063424, 1097728, 1269760, 1329280, 1372160, 2126848, 2195456, 2539520, 2658560, 2744320, 4253696, 5079040, 5317120, 5488640, 8507392, 10634240, 10977280, 17014784, 21268480, 34029568, 42536960, 68059136, 85073920, 170147840, 340295680]

約数ペア:

[(1, 340295680), (2, 170147840), (4, 85073920), (5, 68059136), (8, 42536960), (10, 34029568), (16, 21268480), (20, 17014784), (31, 10977280), (32, 10634240), (40, 8507392), (62, 5488640), (64, 5317120), (67, 5079040), (80, 4253696), (124, 2744320), (128, 2658560), (134, 2539520), (155, 2195456), (160, 2126848), (248, 1372160), (256, 1329280), (268, 1269760), (310, 1097728), (320, 1063424), (335, 1015808), (496, 686080), (512, 664640), (536, 634880), (620, 548864), (640, 531712), (670, 507904), (992, 343040), (1024, 332320), (1072, 317440), (1240, 274432), (1280, 265856), (1340, 253952), (1984, 171520), (2048, 166160), (2077, 163840), (2144, 158720), (2480, 137216), (2560, 132928), (2680, 126976), (3968, 85760), (4096, 83080), (4154, 81920), (4288, 79360), (4960, 68608), (5120, 66464), (5360, 63488), (7936, 42880), (8192, 41540), (8308, 40960), (8576, 39680), (9920, 34304), (10240, 33232), (10385, 32768), (10720, 31744), (15872, 21440), (16384, 20770), (16616, 20480), (17152, 19840)]