201781120

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3061}}^1$

素因数の和:3183

約数の個数: 64

約数和(自身を含む): 487225440

約数和(自身を除く): 285444320

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, 3061, 3296, 4120, 6122, 6592, 8240, 12244, 13184, 15305, 16480, 24488, 30610, 32960, 48976, 61220, 65920, 97952, 122440, 195904, 244880, 315283, 391808, 489760, 630566, 979520, 1261132, 1576415, 1959040, 2522264, 3152830, 5044528, 6305660, 10089056, 12611320, 20178112, 25222640, 40356224, 50445280, 100890560, 201781120]

約数ペア:

[(1, 201781120), (2, 100890560), (4, 50445280), (5, 40356224), (8, 25222640), (10, 20178112), (16, 12611320), (20, 10089056), (32, 6305660), (40, 5044528), (64, 3152830), (80, 2522264), (103, 1959040), (128, 1576415), (160, 1261132), (206, 979520), (320, 630566), (412, 489760), (515, 391808), (640, 315283), (824, 244880), (1030, 195904), (1648, 122440), (2060, 97952), (3061, 65920), (3296, 61220), (4120, 48976), (6122, 32960), (6592, 30610), (8240, 24488), (12244, 16480), (13184, 15305)]