81052440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2053}}^1$

素因数の和:2121

約数の個数: 128

約数和(自身を含む): 283944960

約数和(自身を除く): 202892520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2053, 2632, 2820, 3290, 3948, 4106, 4935, 5640, 6159, 6580, 7896, 8212, 9870, 10265, 12318, 13160, 14371, 16424, 19740, 20530, 24636, 28742, 30795, 39480, 41060, 43113, 49272, 57484, 61590, 71855, 82120, 86226, 96491, 114968, 123180, 143710, 172452, 192982, 215565, 246360, 287420, 289473, 344904, 385964, 431130, 482455, 574840, 578946, 675437, 771928, 862260, 964910, 1157892, 1350874, 1447365, 1724520, 1929820, 2026311, 2315784, 2701748, 2894730, 3377185, 3859640, 4052622, 5403496, 5789460, 6754370, 8105244, 10131555, 11578920, 13508740, 16210488, 20263110, 27017480, 40526220, 81052440]

約数ペア:

[(1, 81052440), (2, 40526220), (3, 27017480), (4, 20263110), (5, 16210488), (6, 13508740), (7, 11578920), (8, 10131555), (10, 8105244), (12, 6754370), (14, 5789460), (15, 5403496), (20, 4052622), (21, 3859640), (24, 3377185), (28, 2894730), (30, 2701748), (35, 2315784), (40, 2026311), (42, 1929820), (47, 1724520), (56, 1447365), (60, 1350874), (70, 1157892), (84, 964910), (94, 862260), (105, 771928), (120, 675437), (140, 578946), (141, 574840), (168, 482455), (188, 431130), (210, 385964), (235, 344904), (280, 289473), (282, 287420), (329, 246360), (376, 215565), (420, 192982), (470, 172452), (564, 143710), (658, 123180), (705, 114968), (840, 96491), (940, 86226), (987, 82120), (1128, 71855), (1316, 61590), (1410, 57484), (1645, 49272), (1880, 43113), (1974, 41060), (2053, 39480), (2632, 30795), (2820, 28742), (3290, 24636), (3948, 20530), (4106, 19740), (4935, 16424), (5640, 14371), (6159, 13160), (6580, 12318), (7896, 10265), (8212, 9870)]