155878912

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 389689344

約数和(自身を除く): 233810432

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 61, 62, 64, 92, 112, 122, 124, 128, 161, 184, 217, 224, 244, 248, 256, 322, 368, 427, 434, 448, 488, 496, 512, 644, 713, 736, 854, 868, 896, 976, 992, 1288, 1403, 1426, 1472, 1708, 1736, 1792, 1891, 1952, 1984, 2576, 2806, 2852, 2944, 3416, 3472, 3584, 3782, 3904, 3968, 4991, 5152, 5612, 5704, 5888, 6832, 6944, 7564, 7808, 7936, 9821, 9982, 10304, 11224, 11408, 11776, 13237, 13664, 13888, 15128, 15616, 15872, 19642, 19964, 20608, 22448, 22816, 26474, 27328, 27776, 30256, 31232, 39284, 39928, 41216, 43493, 44896, 45632, 52948, 54656, 55552, 60512, 78568, 79856, 82432, 86986, 89792, 91264, 105896, 109312, 111104, 121024, 157136, 159712, 173972, 179584, 182528, 211792, 218624, 242048, 304451, 314272, 319424, 347944, 359168, 365056, 423584, 484096, 608902, 628544, 638848, 695888, 718336, 847168, 968192, 1217804, 1257088, 1277696, 1391776, 1694336, 2435608, 2514176, 2555392, 2783552, 3388672, 4871216, 5028352, 5567104, 6777344, 9742432, 11134208, 19484864, 22268416, 38969728, 77939456, 155878912]

約数ペア:

[(1, 155878912), (2, 77939456), (4, 38969728), (7, 22268416), (8, 19484864), (14, 11134208), (16, 9742432), (23, 6777344), (28, 5567104), (31, 5028352), (32, 4871216), (46, 3388672), (56, 2783552), (61, 2555392), (62, 2514176), (64, 2435608), (92, 1694336), (112, 1391776), (122, 1277696), (124, 1257088), (128, 1217804), (161, 968192), (184, 847168), (217, 718336), (224, 695888), (244, 638848), (248, 628544), (256, 608902), (322, 484096), (368, 423584), (427, 365056), (434, 359168), (448, 347944), (488, 319424), (496, 314272), (512, 304451), (644, 242048), (713, 218624), (736, 211792), (854, 182528), (868, 179584), (896, 173972), (976, 159712), (992, 157136), (1288, 121024), (1403, 111104), (1426, 109312), (1472, 105896), (1708, 91264), (1736, 89792), (1792, 86986), (1891, 82432), (1952, 79856), (1984, 78568), (2576, 60512), (2806, 55552), (2852, 54656), (2944, 52948), (3416, 45632), (3472, 44896), (3584, 43493), (3782, 41216), (3904, 39928), (3968, 39284), (4991, 31232), (5152, 30256), (5612, 27776), (5704, 27328), (5888, 26474), (6832, 22816), (6944, 22448), (7564, 20608), (7808, 19964), (7936, 19642), (9821, 15872), (9982, 15616), (10304, 15128), (11224, 13888), (11408, 13664), (11776, 13237)]