81486360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 265945680

約数和(自身を除く): 184459320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 461, 491, 922, 982, 1383, 1473, 1844, 1964, 2305, 2455, 2766, 2946, 3688, 3928, 4149, 4419, 4610, 4910, 5532, 5892, 6915, 7365, 8298, 8838, 9220, 9820, 11064, 11784, 13830, 14730, 16596, 17676, 18440, 19640, 20745, 22095, 27660, 29460, 33192, 35352, 41490, 44190, 55320, 58920, 82980, 88380, 165960, 176760, 226351, 452702, 679053, 905404, 1131755, 1358106, 1810808, 2037159, 2263510, 2716212, 3395265, 4074318, 4527020, 5432424, 6790530, 8148636, 9054040, 10185795, 13581060, 16297272, 20371590, 27162120, 40743180, 81486360]

約数ペア:

[(1, 81486360), (2, 40743180), (3, 27162120), (4, 20371590), (5, 16297272), (6, 13581060), (8, 10185795), (9, 9054040), (10, 8148636), (12, 6790530), (15, 5432424), (18, 4527020), (20, 4074318), (24, 3395265), (30, 2716212), (36, 2263510), (40, 2037159), (45, 1810808), (60, 1358106), (72, 1131755), (90, 905404), (120, 679053), (180, 452702), (360, 226351), (461, 176760), (491, 165960), (922, 88380), (982, 82980), (1383, 58920), (1473, 55320), (1844, 44190), (1964, 41490), (2305, 35352), (2455, 33192), (2766, 29460), (2946, 27660), (3688, 22095), (3928, 20745), (4149, 19640), (4419, 18440), (4610, 17676), (4910, 16596), (5532, 14730), (5892, 13830), (6915, 11784), (7365, 11064), (8298, 9820), (8838, 9220)]