68416245

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 136952640

約数和(自身を除く): 68536395

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 171, 255, 285, 323, 405, 459, 513, 523, 765, 855, 969, 1377, 1539, 1569, 1615, 2295, 2565, 2615, 2907, 4707, 4845, 6885, 7695, 7845, 8721, 8891, 9937, 14121, 14535, 23535, 26163, 26673, 29811, 42363, 43605, 44455, 49685, 70605, 80019, 89433, 130815, 133365, 149055, 168929, 211815, 240057, 268299, 400095, 447165, 506787, 720171, 804897, 844645, 1200285, 1341495, 1520361, 2533935, 3600855, 4024485, 4561083, 7601805, 13683249, 22805415, 68416245]

約数ペア:

[(1, 68416245), (3, 22805415), (5, 13683249), (9, 7601805), (15, 4561083), (17, 4024485), (19, 3600855), (27, 2533935), (45, 1520361), (51, 1341495), (57, 1200285), (81, 844645), (85, 804897), (95, 720171), (135, 506787), (153, 447165), (171, 400095), (255, 268299), (285, 240057), (323, 211815), (405, 168929), (459, 149055), (513, 133365), (523, 130815), (765, 89433), (855, 80019), (969, 70605), (1377, 49685), (1539, 44455), (1569, 43605), (1615, 42363), (2295, 29811), (2565, 26673), (2615, 26163), (2907, 23535), (4707, 14535), (4845, 14121), (6885, 9937), (7695, 8891), (7845, 8721)]