16831640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 27405160

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, 1279, 1316, 1645, 1880, 2558, 2632, 3290, 5116, 6395, 6580, 8953, 10232, 12790, 13160, 17906, 25580, 35812, 44765, 51160, 60113, 71624, 89530, 120226, 179060, 240452, 300565, 358120, 420791, 480904, 601130, 841582, 1202260, 1683164, 2103955, 2404520, 3366328, 4207910, 8415820, 16831640]

約数ペア:

[(1, 16831640), (2, 8415820), (4, 4207910), (5, 3366328), (7, 2404520), (8, 2103955), (10, 1683164), (14, 1202260), (20, 841582), (28, 601130), (35, 480904), (40, 420791), (47, 358120), (56, 300565), (70, 240452), (94, 179060), (140, 120226), (188, 89530), (235, 71624), (280, 60113), (329, 51160), (376, 44765), (470, 35812), (658, 25580), (940, 17906), (1279, 13160), (1316, 12790), (1645, 10232), (1880, 8953), (2558, 6580), (2632, 6395), (3290, 5116)]