51761220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 166634496

約数和(自身を除く): 114873276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 491, 502, 753, 982, 1004, 1255, 1473, 1506, 1757, 1964, 2455, 2510, 2946, 3012, 3437, 3514, 3765, 4910, 5020, 5271, 5892, 6874, 7028, 7365, 7530, 8785, 9820, 10311, 10542, 13748, 14730, 15060, 17185, 17570, 20622, 21084, 26355, 29460, 34370, 35140, 41244, 51555, 52710, 68740, 103110, 105420, 123241, 206220, 246482, 369723, 492964, 616205, 739446, 862687, 1232410, 1478892, 1725374, 1848615, 2464820, 2588061, 3450748, 3697230, 4313435, 5176122, 7394460, 8626870, 10352244, 12940305, 17253740, 25880610, 51761220]

約数ペア:

[(1, 51761220), (2, 25880610), (3, 17253740), (4, 12940305), (5, 10352244), (6, 8626870), (7, 7394460), (10, 5176122), (12, 4313435), (14, 3697230), (15, 3450748), (20, 2588061), (21, 2464820), (28, 1848615), (30, 1725374), (35, 1478892), (42, 1232410), (60, 862687), (70, 739446), (84, 616205), (105, 492964), (140, 369723), (210, 246482), (251, 206220), (420, 123241), (491, 105420), (502, 103110), (753, 68740), (982, 52710), (1004, 51555), (1255, 41244), (1473, 35140), (1506, 34370), (1757, 29460), (1964, 26355), (2455, 21084), (2510, 20622), (2946, 17570), (3012, 17185), (3437, 15060), (3514, 14730), (3765, 13748), (4910, 10542), (5020, 10311), (5271, 9820), (5892, 8785), (6874, 7530), (7028, 7365)]