242564415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 431806464

約数和(自身を除く): 189242049

約数列:

[1, 3, 5, 15, 17, 37, 47, 51, 85, 111, 141, 185, 235, 255, 547, 555, 629, 705, 799, 1641, 1739, 1887, 2397, 2735, 3145, 3995, 5217, 8205, 8695, 9299, 9435, 11985, 20239, 25709, 26085, 27897, 29563, 46495, 60717, 77127, 88689, 101195, 128545, 139485, 147815, 303585, 344063, 385635, 437053, 443445, 951233, 1032189, 1311159, 1720315, 2185265, 2853699, 4756165, 5160945, 6555795, 14268495, 16170961, 48512883, 80854805, 242564415]

約数ペア:

[(1, 242564415), (3, 80854805), (5, 48512883), (15, 16170961), (17, 14268495), (37, 6555795), (47, 5160945), (51, 4756165), (85, 2853699), (111, 2185265), (141, 1720315), (185, 1311159), (235, 1032189), (255, 951233), (547, 443445), (555, 437053), (629, 385635), (705, 344063), (799, 303585), (1641, 147815), (1739, 139485), (1887, 128545), (2397, 101195), (2735, 88689), (3145, 77127), (3995, 60717), (5217, 46495), (8205, 29563), (8695, 27897), (9299, 26085), (9435, 25709), (11985, 20239)]