80712855

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 161520480

約数和(自身を除く): 80807625

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, 617, 765, 855, 969, 1377, 1539, 1615, 1851, 2295, 2565, 2907, 3085, 4845, 5553, 6885, 7695, 8721, 9255, 10489, 11723, 14535, 16659, 26163, 27765, 31467, 35169, 43605, 49977, 52445, 58615, 83295, 94401, 105507, 130815, 157335, 175845, 199291, 249885, 283203, 316521, 472005, 527535, 597873, 849609, 949563, 996455, 1416015, 1582605, 1793619, 2989365, 4248045, 4747815, 5380857, 8968095, 16142571, 26904285, 80712855]

約数ペア:

[(1, 80712855), (3, 26904285), (5, 16142571), (9, 8968095), (15, 5380857), (17, 4747815), (19, 4248045), (27, 2989365), (45, 1793619), (51, 1582605), (57, 1416015), (81, 996455), (85, 949563), (95, 849609), (135, 597873), (153, 527535), (171, 472005), (255, 316521), (285, 283203), (323, 249885), (405, 199291), (459, 175845), (513, 157335), (617, 130815), (765, 105507), (855, 94401), (969, 83295), (1377, 58615), (1539, 52445), (1615, 49977), (1851, 43605), (2295, 35169), (2565, 31467), (2907, 27765), (3085, 26163), (4845, 16659), (5553, 14535), (6885, 11723), (7695, 10489), (8721, 9255)]