81506335.000000000

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1709}}^1$

素因数の和:1751

約数の個数: 144

約数和(自身を含む): 458498880

約数和(自身を除く): 319536672

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 121, 132, 154, 168, 176, 224, 231, 242, 264, 308, 336, 352, 363, 462, 484, 528, 616, 672, 726, 847, 924, 968, 1056, 1232, 1452, 1694, 1709, 1848, 1936, 2464, 2541, 2904, 3388, 3418, 3696, 3872, 5082, 5127, 5808, 6776, 6836, 7392, 10164, 10254, 11616, 11963, 13552, 13672, 18799, 20328, 20508, 23926, 27104, 27344, 35889, 37598, 40656, 41016, 47852, 54688, 56397, 71778, 75196, 81312, 82032, 95704, 112794, 131593, 143556, 150392, 164064, 191408, 206789, 225588, 263186, 287112, 300784, 382816, 394779, 413578, 451176, 526372, 574224, 601568, 620367, 789558, 827156, 902352, 1052744, 1148448, 1240734, 1447523, 1579116, 1654312, 1804704, 2105488, 2481468, 2895046, 3158232, 3308624, 4210976, 4342569, 4962936, 5790092, 6316464, 6617248, 8685138, 9925872, 11580184, 12632928, 17370276, 19851744, 23160368, 34740552, 46320736, 69481104, 138962208]

約数ペア:

[(1, 138962208), (2, 69481104), (3, 46320736), (4, 34740552), (6, 23160368), (7, 19851744), (8, 17370276), (11, 12632928), (12, 11580184), (14, 9925872), (16, 8685138), (21, 6617248), (22, 6316464), (24, 5790092), (28, 4962936), (32, 4342569), (33, 4210976), (42, 3308624), (44, 3158232), (48, 2895046), (56, 2481468), (66, 2105488), (77, 1804704), (84, 1654312), (88, 1579116), (96, 1447523), (112, 1240734), (121, 1148448), (132, 1052744), (154, 902352), (168, 827156), (176, 789558), (224, 620367), (231, 601568), (242, 574224), (264, 526372), (308, 451176), (336, 413578), (352, 394779), (363, 382816), (462, 300784), (484, 287112), (528, 263186), (616, 225588), (672, 206789), (726, 191408), (847, 164064), (924, 150392), (968, 143556), (1056, 131593), (1232, 112794), (1452, 95704), (1694, 82032), (1709, 81312), (1848, 75196), (1936, 71778), (2464, 56397), (2541, 54688), (2904, 47852), (3388, 41016), (3418, 40656), (3696, 37598), (3872, 35889), (5082, 27344), (5127, 27104), (5808, 23926), (6776, 20508), (6836, 20328), (7392, 18799), (10164, 13672), (10254, 13552), (11616, 11963)]