171431480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2803}}^1$

素因数の和:2964

約数の個数: 64

約数和(自身を含む): 423964800

約数和(自身を除く): 252533320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 2803, 3058, 5560, 5606, 6116, 7645, 11212, 12232, 14015, 15290, 22424, 28030, 30580, 30833, 56060, 61160, 61666, 112120, 123332, 154165, 246664, 308330, 389617, 616660, 779234, 1233320, 1558468, 1948085, 3116936, 3896170, 4285787, 7792340, 8571574, 15584680, 17143148, 21428935, 34286296, 42857870, 85715740, 171431480]

約数ペア:

[(1, 171431480), (2, 85715740), (4, 42857870), (5, 34286296), (8, 21428935), (10, 17143148), (11, 15584680), (20, 8571574), (22, 7792340), (40, 4285787), (44, 3896170), (55, 3116936), (88, 1948085), (110, 1558468), (139, 1233320), (220, 779234), (278, 616660), (440, 389617), (556, 308330), (695, 246664), (1112, 154165), (1390, 123332), (1529, 112120), (2780, 61666), (2803, 61160), (3058, 56060), (5560, 30833), (5606, 30580), (6116, 28030), (7645, 22424), (11212, 15290), (12232, 14015)]