80219745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 146240640

約数和(自身を除く): 66020895

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 179, 207, 345, 433, 537, 895, 1035, 1299, 1611, 2165, 2685, 3897, 4117, 6495, 8055, 9959, 12351, 19485, 20585, 29877, 37053, 49795, 61755, 77507, 89631, 149385, 185265, 232521, 387535, 448155, 697563, 1162605, 1782661, 3487815, 5347983, 8913305, 16043949, 26739915, 80219745]

約数ペア:

[(1, 80219745), (3, 26739915), (5, 16043949), (9, 8913305), (15, 5347983), (23, 3487815), (45, 1782661), (69, 1162605), (115, 697563), (179, 448155), (207, 387535), (345, 232521), (433, 185265), (537, 149385), (895, 89631), (1035, 77507), (1299, 61755), (1611, 49795), (2165, 37053), (2685, 29877), (3897, 20585), (4117, 19485), (6495, 12351), (8055, 9959)]