320437120

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4861}}^1$

素因数の和:4983

約数の個数: 64

約数和(自身を含む): 773641440

約数和(自身を除く): 453204320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1648, 2060, 3296, 4120, 4861, 6592, 8240, 9722, 13184, 16480, 19444, 24305, 32960, 38888, 48610, 65920, 77776, 97220, 155552, 194440, 311104, 388880, 500683, 622208, 777760, 1001366, 1555520, 2002732, 2503415, 3111040, 4005464, 5006830, 8010928, 10013660, 16021856, 20027320, 32043712, 40054640, 64087424, 80109280, 160218560, 320437120]

約数ペア:

[(1, 320437120), (2, 160218560), (4, 80109280), (5, 64087424), (8, 40054640), (10, 32043712), (16, 20027320), (20, 16021856), (32, 10013660), (40, 8010928), (64, 5006830), (80, 4005464), (103, 3111040), (128, 2503415), (160, 2002732), (206, 1555520), (320, 1001366), (412, 777760), (515, 622208), (640, 500683), (824, 388880), (1030, 311104), (1648, 194440), (2060, 155552), (3296, 97220), (4120, 77776), (4861, 65920), (6592, 48610), (8240, 38888), (9722, 32960), (13184, 24305), (16480, 19444)]