205908768

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1351

約数の個数: 144

約数和(自身を含む): 645765120

約数和(自身を除く): 439856352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 624, 688, 774, 936, 1032, 1118, 1248, 1279, 1376, 1548, 1677, 1872, 2064, 2236, 2558, 3096, 3354, 3744, 3837, 4128, 4472, 5031, 5116, 6192, 6708, 7674, 8944, 10062, 10232, 11511, 12384, 13416, 15348, 16627, 17888, 20124, 20464, 23022, 26832, 30696, 33254, 40248, 40928, 46044, 49881, 53664, 54997, 61392, 66508, 80496, 92088, 99762, 109994, 122784, 133016, 149643, 160992, 164991, 184176, 199524, 219988, 266032, 299286, 329982, 368352, 399048, 439976, 494973, 532064, 598572, 659964, 714961, 798096, 879952, 989946, 1197144, 1319928, 1429922, 1596192, 1759904, 1979892, 2144883, 2394288, 2639856, 2859844, 3959784, 4289766, 4788576, 5279712, 5719688, 6434649, 7919568, 8579532, 11439376, 12869298, 15839136, 17159064, 22878752, 25738596, 34318128, 51477192, 68636256, 102954384, 205908768]

約数ペア:

[(1, 205908768), (2, 102954384), (3, 68636256), (4, 51477192), (6, 34318128), (8, 25738596), (9, 22878752), (12, 17159064), (13, 15839136), (16, 12869298), (18, 11439376), (24, 8579532), (26, 7919568), (32, 6434649), (36, 5719688), (39, 5279712), (43, 4788576), (48, 4289766), (52, 3959784), (72, 2859844), (78, 2639856), (86, 2394288), (96, 2144883), (104, 1979892), (117, 1759904), (129, 1596192), (144, 1429922), (156, 1319928), (172, 1197144), (208, 989946), (234, 879952), (258, 798096), (288, 714961), (312, 659964), (344, 598572), (387, 532064), (416, 494973), (468, 439976), (516, 399048), (559, 368352), (624, 329982), (688, 299286), (774, 266032), (936, 219988), (1032, 199524), (1118, 184176), (1248, 164991), (1279, 160992), (1376, 149643), (1548, 133016), (1677, 122784), (1872, 109994), (2064, 99762), (2236, 92088), (2558, 80496), (3096, 66508), (3354, 61392), (3744, 54997), (3837, 53664), (4128, 49881), (4472, 46044), (5031, 40928), (5116, 40248), (6192, 33254), (6708, 30696), (7674, 26832), (8944, 23022), (10062, 20464), (10232, 20124), (11511, 17888), (12384, 16627), (13416, 15348)]