31233160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 80795520

約数和(自身を除く): 49562360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 337, 662, 674, 1324, 1348, 1655, 1685, 2317, 2359, 2648, 2696, 3310, 3370, 4634, 4718, 6620, 6740, 9268, 9436, 11585, 11795, 13240, 13480, 18536, 18872, 23170, 23590, 46340, 47180, 92680, 94360, 111547, 223094, 446188, 557735, 780829, 892376, 1115470, 1561658, 2230940, 3123316, 3904145, 4461880, 6246632, 7808290, 15616580, 31233160]

約数ペア:

[(1, 31233160), (2, 15616580), (4, 7808290), (5, 6246632), (7, 4461880), (8, 3904145), (10, 3123316), (14, 2230940), (20, 1561658), (28, 1115470), (35, 892376), (40, 780829), (56, 557735), (70, 446188), (140, 223094), (280, 111547), (331, 94360), (337, 92680), (662, 47180), (674, 46340), (1324, 23590), (1348, 23170), (1655, 18872), (1685, 18536), (2317, 13480), (2359, 13240), (2648, 11795), (2696, 11585), (3310, 9436), (3370, 9268), (4634, 6740), (4718, 6620)]