317358080

素因数分解:

$2^{15}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 825741000

約数和(自身を除く): 508382920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 208, 256, 260, 298, 320, 416, 512, 520, 596, 640, 745, 832, 1024, 1040, 1192, 1280, 1490, 1664, 1937, 2048, 2080, 2384, 2560, 2980, 3328, 3874, 4096, 4160, 4768, 5120, 5960, 6656, 7748, 8192, 8320, 9536, 9685, 10240, 11920, 13312, 15496, 16384, 16640, 19072, 19370, 20480, 23840, 26624, 30992, 32768, 33280, 38144, 38740, 40960, 47680, 53248, 61984, 66560, 76288, 77480, 81920, 95360, 106496, 123968, 133120, 152576, 154960, 163840, 190720, 212992, 247936, 266240, 305152, 309920, 381440, 425984, 495872, 532480, 610304, 619840, 762880, 991744, 1064960, 1220608, 1239680, 1525760, 1983488, 2129920, 2441216, 2479360, 3051520, 3966976, 4882432, 4958720, 6103040, 7933952, 9917440, 12206080, 15867904, 19834880, 24412160, 31735808, 39669760, 63471616, 79339520, 158679040, 317358080]

約数ペア:

[(1, 317358080), (2, 158679040), (4, 79339520), (5, 63471616), (8, 39669760), (10, 31735808), (13, 24412160), (16, 19834880), (20, 15867904), (26, 12206080), (32, 9917440), (40, 7933952), (52, 6103040), (64, 4958720), (65, 4882432), (80, 3966976), (104, 3051520), (128, 2479360), (130, 2441216), (149, 2129920), (160, 1983488), (208, 1525760), (256, 1239680), (260, 1220608), (298, 1064960), (320, 991744), (416, 762880), (512, 619840), (520, 610304), (596, 532480), (640, 495872), (745, 425984), (832, 381440), (1024, 309920), (1040, 305152), (1192, 266240), (1280, 247936), (1490, 212992), (1664, 190720), (1937, 163840), (2048, 154960), (2080, 152576), (2384, 133120), (2560, 123968), (2980, 106496), (3328, 95360), (3874, 81920), (4096, 77480), (4160, 76288), (4768, 66560), (5120, 61984), (5960, 53248), (6656, 47680), (7748, 40960), (8192, 38740), (8320, 38144), (9536, 33280), (9685, 32768), (10240, 30992), (11920, 26624), (13312, 23840), (15496, 20480), (16384, 19370), (16640, 19072)]