1290076160

素因数分解:

$2^{16}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 136

約数和(自身を含む): 3221200896

約数和(自身を除く): 1931124736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 512, 620, 635, 640, 992, 1016, 1024, 1240, 1270, 1280, 1984, 2032, 2048, 2480, 2540, 2560, 3937, 3968, 4064, 4096, 4960, 5080, 5120, 7874, 7936, 8128, 8192, 9920, 10160, 10240, 15748, 15872, 16256, 16384, 19685, 19840, 20320, 20480, 31496, 31744, 32512, 32768, 39370, 39680, 40640, 40960, 62992, 63488, 65024, 65536, 78740, 79360, 81280, 81920, 125984, 126976, 130048, 157480, 158720, 162560, 163840, 251968, 253952, 260096, 314960, 317440, 325120, 327680, 503936, 507904, 520192, 629920, 634880, 650240, 1007872, 1015808, 1040384, 1259840, 1269760, 1300480, 2015744, 2031616, 2080768, 2519680, 2539520, 2600960, 4031488, 4161536, 5039360, 5079040, 5201920, 8062976, 8323072, 10078720, 10158080, 10403840, 16125952, 20157440, 20807680, 32251904, 40314880, 41615360, 64503808, 80629760, 129007616, 161259520, 258015232, 322519040, 645038080, 1290076160]

約数ペア:

[(1, 1290076160), (2, 645038080), (4, 322519040), (5, 258015232), (8, 161259520), (10, 129007616), (16, 80629760), (20, 64503808), (31, 41615360), (32, 40314880), (40, 32251904), (62, 20807680), (64, 20157440), (80, 16125952), (124, 10403840), (127, 10158080), (128, 10078720), (155, 8323072), (160, 8062976), (248, 5201920), (254, 5079040), (256, 5039360), (310, 4161536), (320, 4031488), (496, 2600960), (508, 2539520), (512, 2519680), (620, 2080768), (635, 2031616), (640, 2015744), (992, 1300480), (1016, 1269760), (1024, 1259840), (1240, 1040384), (1270, 1015808), (1280, 1007872), (1984, 650240), (2032, 634880), (2048, 629920), (2480, 520192), (2540, 507904), (2560, 503936), (3937, 327680), (3968, 325120), (4064, 317440), (4096, 314960), (4960, 260096), (5080, 253952), (5120, 251968), (7874, 163840), (7936, 162560), (8128, 158720), (8192, 157480), (9920, 130048), (10160, 126976), (10240, 125984), (15748, 81920), (15872, 81280), (16256, 79360), (16384, 78740), (19685, 65536), (19840, 65024), (20320, 63488), (20480, 62992), (31496, 40960), (31744, 40640), (32512, 39680), (32768, 39370)]