256120320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{33349}}^1$

素因数の和:33375

約数の個数: 80

約数和(自身を含む): 818809200

約数和(自身を除く): 562688880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 33349, 66698, 100047, 133396, 166745, 200094, 266792, 333490, 400188, 500235, 533584, 666980, 800376, 1000470, 1067168, 1333960, 1600752, 2000940, 2134336, 2667920, 3201504, 4001880, 4268672, 5335840, 6403008, 8003760, 8537344, 10671680, 12806016, 16007520, 17074688, 21343360, 25612032, 32015040, 42686720, 51224064, 64030080, 85373440, 128060160, 256120320]

約数ペア:

[(1, 256120320), (2, 128060160), (3, 85373440), (4, 64030080), (5, 51224064), (6, 42686720), (8, 32015040), (10, 25612032), (12, 21343360), (15, 17074688), (16, 16007520), (20, 12806016), (24, 10671680), (30, 8537344), (32, 8003760), (40, 6403008), (48, 5335840), (60, 4268672), (64, 4001880), (80, 3201504), (96, 2667920), (120, 2134336), (128, 2000940), (160, 1600752), (192, 1333960), (240, 1067168), (256, 1000470), (320, 800376), (384, 666980), (480, 533584), (512, 500235), (640, 400188), (768, 333490), (960, 266792), (1280, 200094), (1536, 166745), (1920, 133396), (2560, 100047), (3840, 66698), (7680, 33349)]