16757720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 43606080

約数和(自身を除く): 26848360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 617, 679, 776, 970, 1234, 1358, 1940, 2468, 2716, 3085, 3395, 3880, 4319, 4936, 5432, 6170, 6790, 8638, 12340, 13580, 17276, 21595, 24680, 27160, 34552, 43190, 59849, 86380, 119698, 172760, 239396, 299245, 418943, 478792, 598490, 837886, 1196980, 1675772, 2094715, 2393960, 3351544, 4189430, 8378860, 16757720]

約数ペア:

[(1, 16757720), (2, 8378860), (4, 4189430), (5, 3351544), (7, 2393960), (8, 2094715), (10, 1675772), (14, 1196980), (20, 837886), (28, 598490), (35, 478792), (40, 418943), (56, 299245), (70, 239396), (97, 172760), (140, 119698), (194, 86380), (280, 59849), (388, 43190), (485, 34552), (617, 27160), (679, 24680), (776, 21595), (970, 17276), (1234, 13580), (1358, 12340), (1940, 8638), (2468, 6790), (2716, 6170), (3085, 5432), (3395, 4936), (3880, 4319)]