81782316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 260752128

約数和(自身を除く): 178969812

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 163, 181, 198, 231, 252, 308, 326, 362, 396, 462, 489, 543, 652, 693, 724, 924, 978, 1086, 1141, 1267, 1386, 1467, 1629, 1793, 1956, 1991, 2172, 2282, 2534, 2772, 2934, 3258, 3423, 3586, 3801, 3982, 4564, 5068, 5379, 5868, 5973, 6516, 6846, 7172, 7602, 7964, 10269, 10758, 11403, 11946, 12551, 13692, 13937, 15204, 16137, 17919, 20538, 21516, 22806, 23892, 25102, 27874, 29503, 32274, 35838, 37653, 41076, 41811, 45612, 50204, 55748, 59006, 64548, 71676, 75306, 83622, 88509, 112959, 118012, 125433, 150612, 167244, 177018, 206521, 225918, 250866, 265527, 324533, 354036, 413042, 451836, 501732, 531054, 619563, 649066, 826084, 973599, 1062108, 1239126, 1298132, 1858689, 1947198, 2271731, 2478252, 2920797, 3717378, 3894396, 4543462, 5841594, 6815193, 7434756, 9086924, 11683188, 13630386, 20445579, 27260772, 40891158, 81782316]

約数ペア:

[(1, 81782316), (2, 40891158), (3, 27260772), (4, 20445579), (6, 13630386), (7, 11683188), (9, 9086924), (11, 7434756), (12, 6815193), (14, 5841594), (18, 4543462), (21, 3894396), (22, 3717378), (28, 2920797), (33, 2478252), (36, 2271731), (42, 1947198), (44, 1858689), (63, 1298132), (66, 1239126), (77, 1062108), (84, 973599), (99, 826084), (126, 649066), (132, 619563), (154, 531054), (163, 501732), (181, 451836), (198, 413042), (231, 354036), (252, 324533), (308, 265527), (326, 250866), (362, 225918), (396, 206521), (462, 177018), (489, 167244), (543, 150612), (652, 125433), (693, 118012), (724, 112959), (924, 88509), (978, 83622), (1086, 75306), (1141, 71676), (1267, 64548), (1386, 59006), (1467, 55748), (1629, 50204), (1793, 45612), (1956, 41811), (1991, 41076), (2172, 37653), (2282, 35838), (2534, 32274), (2772, 29503), (2934, 27874), (3258, 25102), (3423, 23892), (3586, 22806), (3801, 21516), (3982, 20538), (4564, 17919), (5068, 16137), (5379, 15204), (5868, 13937), (5973, 13692), (6516, 12551), (6846, 11946), (7172, 11403), (7602, 10758), (7964, 10269)]