77390720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10993}}^1$

素因数の和:11023

約数の個数: 64

約数和(自身を含む): 201849840

約数和(自身を除く): 124459120

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, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 10993, 21986, 43972, 54965, 87944, 109930, 120923, 175888, 219860, 241846, 351776, 439720, 483692, 604615, 703552, 879440, 967384, 1209230, 1407104, 1758880, 1934768, 2418460, 3517760, 3869536, 4836920, 7035520, 7739072, 9673840, 15478144, 19347680, 38695360, 77390720]

約数ペア:

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