256120956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2180

約数の個数: 144

約数和(自身を含む): 818743744

約数和(自身を除く): 562622788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 52, 63, 74, 78, 84, 91, 111, 117, 126, 148, 156, 182, 222, 234, 252, 259, 273, 333, 364, 444, 468, 481, 518, 546, 666, 777, 819, 962, 1036, 1092, 1332, 1443, 1554, 1638, 1924, 2113, 2331, 2886, 3108, 3276, 3367, 4226, 4329, 4662, 5772, 6339, 6734, 8452, 8658, 9324, 10101, 12678, 13468, 14791, 17316, 19017, 20202, 25356, 27469, 29582, 30303, 38034, 40404, 44373, 54938, 59164, 60606, 76068, 78181, 82407, 88746, 109876, 121212, 133119, 156362, 164814, 177492, 192283, 234543, 247221, 266238, 312724, 329628, 384566, 469086, 494442, 532476, 547267, 576849, 703629, 769132, 938172, 988884, 1016353, 1094534, 1153698, 1407258, 1641801, 1730547, 2032706, 2189068, 2307396, 2814516, 3049059, 3283602, 3461094, 4065412, 4925403, 6098118, 6567204, 6922188, 7114471, 9147177, 9850806, 12196236, 14228942, 18294354, 19701612, 21343413, 28457884, 36588708, 42686826, 64030239, 85373652, 128060478, 256120956]

約数ペア:

[(1, 256120956), (2, 128060478), (3, 85373652), (4, 64030239), (6, 42686826), (7, 36588708), (9, 28457884), (12, 21343413), (13, 19701612), (14, 18294354), (18, 14228942), (21, 12196236), (26, 9850806), (28, 9147177), (36, 7114471), (37, 6922188), (39, 6567204), (42, 6098118), (52, 4925403), (63, 4065412), (74, 3461094), (78, 3283602), (84, 3049059), (91, 2814516), (111, 2307396), (117, 2189068), (126, 2032706), (148, 1730547), (156, 1641801), (182, 1407258), (222, 1153698), (234, 1094534), (252, 1016353), (259, 988884), (273, 938172), (333, 769132), (364, 703629), (444, 576849), (468, 547267), (481, 532476), (518, 494442), (546, 469086), (666, 384566), (777, 329628), (819, 312724), (962, 266238), (1036, 247221), (1092, 234543), (1332, 192283), (1443, 177492), (1554, 164814), (1638, 156362), (1924, 133119), (2113, 121212), (2331, 109876), (2886, 88746), (3108, 82407), (3276, 78181), (3367, 76068), (4226, 60606), (4329, 59164), (4662, 54938), (5772, 44373), (6339, 40404), (6734, 38034), (8452, 30303), (8658, 29582), (9324, 27469), (10101, 25356), (12678, 20202), (13468, 19017), (14791, 17316)]