1361182720

素因数分解:

$2^{17}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 3422539008

約数和(自身を除く): 2061356288

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, 65536, 66464, 68608, 79360, 81920, 83080, 85760, 126976, 131072, 132928, 137216, 158720, 163840, 166160, 171520, 253952, 265856, 274432, 317440, 327680, 332320, 343040, 507904, 531712, 548864, 634880, 655360, 664640, 686080, 1015808, 1063424, 1097728, 1269760, 1329280, 1372160, 2031616, 2126848, 2195456, 2539520, 2658560, 2744320, 4063232, 4253696, 4390912, 5079040, 5317120, 5488640, 8507392, 8781824, 10158080, 10634240, 10977280, 17014784, 20316160, 21268480, 21954560, 34029568, 42536960, 43909120, 68059136, 85073920, 136118272, 170147840, 272236544, 340295680, 680591360, 1361182720]

約数ペア:

[(1, 1361182720), (2, 680591360), (4, 340295680), (5, 272236544), (8, 170147840), (10, 136118272), (16, 85073920), (20, 68059136), (31, 43909120), (32, 42536960), (40, 34029568), (62, 21954560), (64, 21268480), (67, 20316160), (80, 17014784), (124, 10977280), (128, 10634240), (134, 10158080), (155, 8781824), (160, 8507392), (248, 5488640), (256, 5317120), (268, 5079040), (310, 4390912), (320, 4253696), (335, 4063232), (496, 2744320), (512, 2658560), (536, 2539520), (620, 2195456), (640, 2126848), (670, 2031616), (992, 1372160), (1024, 1329280), (1072, 1269760), (1240, 1097728), (1280, 1063424), (1340, 1015808), (1984, 686080), (2048, 664640), (2077, 655360), (2144, 634880), (2480, 548864), (2560, 531712), (2680, 507904), (3968, 343040), (4096, 332320), (4154, 327680), (4288, 317440), (4960, 274432), (5120, 265856), (5360, 253952), (7936, 171520), (8192, 166160), (8308, 163840), (8576, 158720), (9920, 137216), (10240, 132928), (10385, 131072), (10720, 126976), (15872, 85760), (16384, 83080), (16616, 81920), (17152, 79360), (19840, 68608), (20480, 66464), (20770, 65536), (21440, 63488), (31744, 42880), (32768, 41540), (33232, 40960), (34304, 39680)]