81339060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 249951744

約数和(自身を除く): 168612684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 251, 330, 491, 502, 660, 753, 982, 1004, 1255, 1473, 1506, 1964, 2455, 2510, 2761, 2946, 3012, 3765, 4910, 5020, 5401, 5522, 5892, 7365, 7530, 8283, 9820, 10802, 11044, 13805, 14730, 15060, 16203, 16566, 21604, 27005, 27610, 29460, 32406, 33132, 41415, 54010, 55220, 64812, 81015, 82830, 108020, 123241, 162030, 165660, 246482, 324060, 369723, 492964, 616205, 739446, 1232410, 1355651, 1478892, 1848615, 2464820, 2711302, 3697230, 4066953, 5422604, 6778255, 7394460, 8133906, 13556510, 16267812, 20334765, 27113020, 40669530, 81339060]

約数ペア:

[(1, 81339060), (2, 40669530), (3, 27113020), (4, 20334765), (5, 16267812), (6, 13556510), (10, 8133906), (11, 7394460), (12, 6778255), (15, 5422604), (20, 4066953), (22, 3697230), (30, 2711302), (33, 2464820), (44, 1848615), (55, 1478892), (60, 1355651), (66, 1232410), (110, 739446), (132, 616205), (165, 492964), (220, 369723), (251, 324060), (330, 246482), (491, 165660), (502, 162030), (660, 123241), (753, 108020), (982, 82830), (1004, 81015), (1255, 64812), (1473, 55220), (1506, 54010), (1964, 41415), (2455, 33132), (2510, 32406), (2761, 29460), (2946, 27610), (3012, 27005), (3765, 21604), (4910, 16566), (5020, 16203), (5401, 15060), (5522, 14730), (5892, 13805), (7365, 11044), (7530, 10802), (8283, 9820)]