81276210

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{11149}}^1$

素因数の和:11174

約数の個数: 56

約数和(自身を含む): 219365100

約数和(自身を除く): 138088890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 3645, 7290, 11149, 22298, 33447, 55745, 66894, 100341, 111490, 167235, 200682, 301023, 334470, 501705, 602046, 903069, 1003410, 1505115, 1806138, 2709207, 3010230, 4515345, 5418414, 8127621, 9030690, 13546035, 16255242, 27092070, 40638105, 81276210]

約数ペア:

[(1, 81276210), (2, 40638105), (3, 27092070), (5, 16255242), (6, 13546035), (9, 9030690), (10, 8127621), (15, 5418414), (18, 4515345), (27, 3010230), (30, 2709207), (45, 1806138), (54, 1505115), (81, 1003410), (90, 903069), (135, 602046), (162, 501705), (243, 334470), (270, 301023), (405, 200682), (486, 167235), (729, 111490), (810, 100341), (1215, 66894), (1458, 55745), (2430, 33447), (3645, 22298), (7290, 11149)]