90987810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{81971}}^1$

素因数の和:82018

約数の個数: 32

約数和(自身を含む): 224275392

約数和(自身を除く): 133287582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 81971, 163942, 245913, 409855, 491826, 819710, 1229565, 2459130, 3032927, 6065854, 9098781, 15164635, 18197562, 30329270, 45493905, 90987810]

約数ペア:

[(1, 90987810), (2, 45493905), (3, 30329270), (5, 18197562), (6, 15164635), (10, 9098781), (15, 6065854), (30, 3032927), (37, 2459130), (74, 1229565), (111, 819710), (185, 491826), (222, 409855), (370, 245913), (555, 163942), (1110, 81971)]