72103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5479}}^1$

素因数の和:5544

約数の個数: 64

約数和(自身を含む): 189388800

約数和(自身を除く): 117285160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 5479, 6580, 10958, 13160, 21916, 27395, 38353, 43832, 54790, 76706, 109580, 153412, 191765, 219160, 257513, 306824, 383530, 515026, 767060, 1030052, 1287565, 1534120, 1802591, 2060104, 2575130, 3605182, 5150260, 7210364, 9012955, 10300520, 14420728, 18025910, 36051820, 72103640]

約数ペア:

[(1, 72103640), (2, 36051820), (4, 18025910), (5, 14420728), (7, 10300520), (8, 9012955), (10, 7210364), (14, 5150260), (20, 3605182), (28, 2575130), (35, 2060104), (40, 1802591), (47, 1534120), (56, 1287565), (70, 1030052), (94, 767060), (140, 515026), (188, 383530), (235, 306824), (280, 257513), (329, 219160), (376, 191765), (470, 153412), (658, 109580), (940, 76706), (1316, 54790), (1645, 43832), (1880, 38353), (2632, 27395), (3290, 21916), (5479, 13160), (6580, 10958)]