128271616

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 291153492

約数和(自身を除く): 162881876

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 101, 121, 128, 164, 176, 202, 242, 256, 328, 352, 404, 451, 484, 656, 704, 808, 902, 968, 1111, 1312, 1408, 1616, 1804, 1936, 2222, 2624, 2816, 3232, 3608, 3872, 4141, 4444, 4961, 5248, 6464, 7216, 7744, 8282, 8888, 9922, 10496, 12221, 12928, 14432, 15488, 16564, 17776, 19844, 24442, 25856, 28864, 30976, 33128, 35552, 39688, 45551, 48884, 57728, 66256, 71104, 79376, 91102, 97768, 115456, 132512, 142208, 158752, 182204, 195536, 265024, 284416, 317504, 364408, 391072, 501061, 530048, 635008, 728816, 782144, 1002122, 1060096, 1270016, 1457632, 1564288, 2004244, 2915264, 3128576, 4008488, 5830528, 8016976, 11661056, 16033952, 32067904, 64135808, 128271616]

約数ペア:

[(1, 128271616), (2, 64135808), (4, 32067904), (8, 16033952), (11, 11661056), (16, 8016976), (22, 5830528), (32, 4008488), (41, 3128576), (44, 2915264), (64, 2004244), (82, 1564288), (88, 1457632), (101, 1270016), (121, 1060096), (128, 1002122), (164, 782144), (176, 728816), (202, 635008), (242, 530048), (256, 501061), (328, 391072), (352, 364408), (404, 317504), (451, 284416), (484, 265024), (656, 195536), (704, 182204), (808, 158752), (902, 142208), (968, 132512), (1111, 115456), (1312, 97768), (1408, 91102), (1616, 79376), (1804, 71104), (1936, 66256), (2222, 57728), (2624, 48884), (2816, 45551), (3232, 39688), (3608, 35552), (3872, 33128), (4141, 30976), (4444, 28864), (4961, 25856), (5248, 24442), (6464, 19844), (7216, 17776), (7744, 16564), (8282, 15488), (8888, 14432), (9922, 12928), (10496, 12221)]