13261571680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1691527}}^1$

素因数の和:1691556

約数の個数: 72

約数和(自身を含む): 36445662288

約数和(自身を除く): 23184090608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 1691527, 3383054, 6766108, 8457635, 11840689, 13532216, 16915270, 23681378, 27064432, 33830540, 47362756, 54128864, 59203445, 67661080, 82884823, 94725512, 118406890, 135322160, 165769646, 189451024, 236813780, 270644320, 331539292, 378902048, 414424115, 473627560, 663078584, 828848230, 947255120, 1326157168, 1657696460, 1894510240, 2652314336, 3315392920, 6630785840, 13261571680]

約数ペア:

[(1, 13261571680), (2, 6630785840), (4, 3315392920), (5, 2652314336), (7, 1894510240), (8, 1657696460), (10, 1326157168), (14, 947255120), (16, 828848230), (20, 663078584), (28, 473627560), (32, 414424115), (35, 378902048), (40, 331539292), (49, 270644320), (56, 236813780), (70, 189451024), (80, 165769646), (98, 135322160), (112, 118406890), (140, 94725512), (160, 82884823), (196, 67661080), (224, 59203445), (245, 54128864), (280, 47362756), (392, 33830540), (490, 27064432), (560, 23681378), (784, 16915270), (980, 13532216), (1120, 11840689), (1568, 8457635), (1960, 6766108), (3920, 3383054), (7840, 1691527)]