72550720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20611}}^1$

素因数の和:20639

約数の個数: 56

約数和(自身を含む): 188476128

約数和(自身を除く): 115925408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20611, 41222, 82444, 103055, 164888, 206110, 226721, 329776, 412220, 453442, 659552, 824440, 906884, 1133605, 1319104, 1648880, 1813768, 2267210, 3297760, 3627536, 4534420, 6595520, 7255072, 9068840, 14510144, 18137680, 36275360, 72550720]

約数ペア:

[(1, 72550720), (2, 36275360), (4, 18137680), (5, 14510144), (8, 9068840), (10, 7255072), (11, 6595520), (16, 4534420), (20, 3627536), (22, 3297760), (32, 2267210), (40, 1813768), (44, 1648880), (55, 1319104), (64, 1133605), (80, 906884), (88, 824440), (110, 659552), (160, 453442), (176, 412220), (220, 329776), (320, 226721), (352, 206110), (440, 164888), (704, 103055), (880, 82444), (1760, 41222), (3520, 20611)]