312304640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:543

約数の個数: 88

約数和(自身を含む): 755539512

約数和(自身を除く): 443234872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 337, 362, 512, 640, 674, 724, 905, 1024, 1280, 1348, 1448, 1685, 1810, 2560, 2696, 2896, 3370, 3620, 5120, 5392, 5792, 6740, 7240, 10784, 11584, 13480, 14480, 21568, 23168, 26960, 28960, 43136, 46336, 53920, 57920, 60997, 86272, 92672, 107840, 115840, 121994, 172544, 185344, 215680, 231680, 243988, 304985, 345088, 431360, 463360, 487976, 609970, 862720, 926720, 975952, 1219940, 1725440, 1951904, 2439880, 3903808, 4879760, 7807616, 9759520, 15615232, 19519040, 31230464, 39038080, 62460928, 78076160, 156152320, 312304640]

約数ペア:

[(1, 312304640), (2, 156152320), (4, 78076160), (5, 62460928), (8, 39038080), (10, 31230464), (16, 19519040), (20, 15615232), (32, 9759520), (40, 7807616), (64, 4879760), (80, 3903808), (128, 2439880), (160, 1951904), (181, 1725440), (256, 1219940), (320, 975952), (337, 926720), (362, 862720), (512, 609970), (640, 487976), (674, 463360), (724, 431360), (905, 345088), (1024, 304985), (1280, 243988), (1348, 231680), (1448, 215680), (1685, 185344), (1810, 172544), (2560, 121994), (2696, 115840), (2896, 107840), (3370, 92672), (3620, 86272), (5120, 60997), (5392, 57920), (5792, 53920), (6740, 46336), (7240, 43136), (10784, 28960), (11584, 26960), (13480, 23168), (14480, 21568)]