247912020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81017}}^1$

素因数の和:81049

約数の個数: 72

約数和(自身を含む): 796244904

約数和(自身を除く): 548332884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 81017, 162034, 243051, 324068, 405085, 486102, 729153, 810170, 972204, 1215255, 1377289, 1458306, 1620340, 2430510, 2754578, 2916612, 3645765, 4131867, 4861020, 5509156, 6886445, 7291530, 8263734, 12395601, 13772890, 14583060, 16527468, 20659335, 24791202, 27545780, 41318670, 49582404, 61978005, 82637340, 123956010, 247912020]

約数ペア:

[(1, 247912020), (2, 123956010), (3, 82637340), (4, 61978005), (5, 49582404), (6, 41318670), (9, 27545780), (10, 24791202), (12, 20659335), (15, 16527468), (17, 14583060), (18, 13772890), (20, 12395601), (30, 8263734), (34, 7291530), (36, 6886445), (45, 5509156), (51, 4861020), (60, 4131867), (68, 3645765), (85, 2916612), (90, 2754578), (102, 2430510), (153, 1620340), (170, 1458306), (180, 1377289), (204, 1215255), (255, 972204), (306, 810170), (340, 729153), (510, 486102), (612, 405085), (765, 324068), (1020, 243051), (1530, 162034), (3060, 81017)]