15982020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{88789}}^1$

素因数の和:88804

約数の個数: 36

約数和(自身を含む): 48479340

約数和(自身を除く): 32497320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 88789, 177578, 266367, 355156, 443945, 532734, 799101, 887890, 1065468, 1331835, 1598202, 1775780, 2663670, 3196404, 3995505, 5327340, 7991010, 15982020]

約数ペア:

[(1, 15982020), (2, 7991010), (3, 5327340), (4, 3995505), (5, 3196404), (6, 2663670), (9, 1775780), (10, 1598202), (12, 1331835), (15, 1065468), (18, 887890), (20, 799101), (30, 532734), (36, 443945), (45, 355156), (60, 266367), (90, 177578), (180, 88789)]