121401728

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 297285120

約数和(自身を除く): 175883392

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 43, 46, 56, 64, 86, 92, 112, 128, 137, 161, 172, 184, 224, 274, 301, 322, 344, 368, 448, 548, 602, 644, 688, 736, 896, 959, 989, 1096, 1204, 1288, 1376, 1472, 1918, 1978, 2192, 2408, 2576, 2752, 2944, 3151, 3836, 3956, 4384, 4816, 5152, 5504, 5891, 6302, 6923, 7672, 7912, 8768, 9632, 10304, 11782, 12604, 13846, 15344, 15824, 17536, 19264, 20608, 22057, 23564, 25208, 27692, 30688, 31648, 38528, 41237, 44114, 47128, 50416, 55384, 61376, 63296, 82474, 88228, 94256, 100832, 110768, 122752, 126592, 135493, 164948, 176456, 188512, 201664, 221536, 270986, 329896, 352912, 377024, 403328, 443072, 541972, 659792, 705824, 754048, 886144, 948451, 1083944, 1319584, 1411648, 1896902, 2167888, 2639168, 2823296, 3793804, 4335776, 5278336, 7587608, 8671552, 15175216, 17343104, 30350432, 60700864, 121401728]

約数ペア:

[(1, 121401728), (2, 60700864), (4, 30350432), (7, 17343104), (8, 15175216), (14, 8671552), (16, 7587608), (23, 5278336), (28, 4335776), (32, 3793804), (43, 2823296), (46, 2639168), (56, 2167888), (64, 1896902), (86, 1411648), (92, 1319584), (112, 1083944), (128, 948451), (137, 886144), (161, 754048), (172, 705824), (184, 659792), (224, 541972), (274, 443072), (301, 403328), (322, 377024), (344, 352912), (368, 329896), (448, 270986), (548, 221536), (602, 201664), (644, 188512), (688, 176456), (736, 164948), (896, 135493), (959, 126592), (989, 122752), (1096, 110768), (1204, 100832), (1288, 94256), (1376, 88228), (1472, 82474), (1918, 63296), (1978, 61376), (2192, 55384), (2408, 50416), (2576, 47128), (2752, 44114), (2944, 41237), (3151, 38528), (3836, 31648), (3956, 30688), (4384, 27692), (4816, 25208), (5152, 23564), (5504, 22057), (5891, 20608), (6302, 19264), (6923, 17536), (7672, 15824), (7912, 15344), (8768, 13846), (9632, 12604), (10304, 11782)]