68520800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1000

約数の個数: 72

約数和(自身を含む): 169192296

約数和(自身を除く): 100671496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 883, 970, 1552, 1766, 1940, 2425, 3104, 3532, 3880, 4415, 4850, 7064, 7760, 8830, 9700, 14128, 15520, 17660, 19400, 22075, 28256, 35320, 38800, 44150, 70640, 77600, 85651, 88300, 141280, 171302, 176600, 342604, 353200, 428255, 685208, 706400, 856510, 1370416, 1713020, 2141275, 2740832, 3426040, 4282550, 6852080, 8565100, 13704160, 17130200, 34260400, 68520800]

約数ペア:

[(1, 68520800), (2, 34260400), (4, 17130200), (5, 13704160), (8, 8565100), (10, 6852080), (16, 4282550), (20, 3426040), (25, 2740832), (32, 2141275), (40, 1713020), (50, 1370416), (80, 856510), (97, 706400), (100, 685208), (160, 428255), (194, 353200), (200, 342604), (388, 176600), (400, 171302), (485, 141280), (776, 88300), (800, 85651), (883, 77600), (970, 70640), (1552, 44150), (1766, 38800), (1940, 35320), (2425, 28256), (3104, 22075), (3532, 19400), (3880, 17660), (4415, 15520), (4850, 14128), (7064, 9700), (7760, 8830)]