320410415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 452390400

約数和(自身を除く): 131979985

約数列:

[1, 5, 13, 29, 43, 59, 65, 67, 145, 215, 295, 335, 377, 559, 767, 871, 1247, 1711, 1885, 1943, 2537, 2795, 2881, 3835, 3953, 4355, 6235, 8555, 9715, 12685, 14405, 16211, 19765, 22243, 25259, 32981, 37453, 51389, 73573, 81055, 83549, 111215, 114637, 126295, 164905, 169979, 187265, 256945, 367865, 417745, 573185, 849895, 956449, 1086137, 1490281, 2209727, 4782245, 4929391, 5430685, 7451405, 11048635, 24646955, 64082083, 320410415]

約数ペア:

[(1, 320410415), (5, 64082083), (13, 24646955), (29, 11048635), (43, 7451405), (59, 5430685), (65, 4929391), (67, 4782245), (145, 2209727), (215, 1490281), (295, 1086137), (335, 956449), (377, 849895), (559, 573185), (767, 417745), (871, 367865), (1247, 256945), (1711, 187265), (1885, 169979), (1943, 164905), (2537, 126295), (2795, 114637), (2881, 111215), (3835, 83549), (3953, 81055), (4355, 73573), (6235, 51389), (8555, 37453), (9715, 32981), (12685, 25259), (14405, 22243), (16211, 19765)]