154781440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10993}}^1$

素因数の和:11025

約数の個数: 72

約数和(自身を含む): 404491248

約数和(自身を除く): 249709808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 10993, 14080, 21986, 43972, 54965, 87944, 109930, 120923, 175888, 219860, 241846, 351776, 439720, 483692, 604615, 703552, 879440, 967384, 1209230, 1407104, 1758880, 1934768, 2418460, 2814208, 3517760, 3869536, 4836920, 7035520, 7739072, 9673840, 14071040, 15478144, 19347680, 30956288, 38695360, 77390720, 154781440]

約数ペア:

[(1, 154781440), (2, 77390720), (4, 38695360), (5, 30956288), (8, 19347680), (10, 15478144), (11, 14071040), (16, 9673840), (20, 7739072), (22, 7035520), (32, 4836920), (40, 3869536), (44, 3517760), (55, 2814208), (64, 2418460), (80, 1934768), (88, 1758880), (110, 1407104), (128, 1209230), (160, 967384), (176, 879440), (220, 703552), (256, 604615), (320, 483692), (352, 439720), (440, 351776), (640, 241846), (704, 219860), (880, 175888), (1280, 120923), (1408, 109930), (1760, 87944), (2816, 54965), (3520, 43972), (7040, 21986), (10993, 14080)]