81276660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26561}}^1$

素因数の和:26593

約数の個数: 72

約数和(自身を含む): 261051336

約数和(自身を除く): 179774676

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, 26561, 53122, 79683, 106244, 132805, 159366, 239049, 265610, 318732, 398415, 451537, 478098, 531220, 796830, 903074, 956196, 1195245, 1354611, 1593660, 1806148, 2257685, 2390490, 2709222, 4063833, 4515370, 4780980, 5418444, 6773055, 8127666, 9030740, 13546110, 16255332, 20319165, 27092220, 40638330, 81276660]

約数ペア:

[(1, 81276660), (2, 40638330), (3, 27092220), (4, 20319165), (5, 16255332), (6, 13546110), (9, 9030740), (10, 8127666), (12, 6773055), (15, 5418444), (17, 4780980), (18, 4515370), (20, 4063833), (30, 2709222), (34, 2390490), (36, 2257685), (45, 1806148), (51, 1593660), (60, 1354611), (68, 1195245), (85, 956196), (90, 903074), (102, 796830), (153, 531220), (170, 478098), (180, 451537), (204, 398415), (255, 318732), (306, 265610), (340, 239049), (510, 159366), (612, 132805), (765, 106244), (1020, 79683), (1530, 53122), (3060, 26561)]