28155420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156419}}^1$

素因数の和:156434

約数の個数: 36

約数和(自身を含む): 85405320

約数和(自身を除く): 57249900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156419, 312838, 469257, 625676, 782095, 938514, 1407771, 1564190, 1877028, 2346285, 2815542, 3128380, 4692570, 5631084, 7038855, 9385140, 14077710, 28155420]

約数ペア:

[(1, 28155420), (2, 14077710), (3, 9385140), (4, 7038855), (5, 5631084), (6, 4692570), (9, 3128380), (10, 2815542), (12, 2346285), (15, 1877028), (18, 1564190), (20, 1407771), (30, 938514), (36, 782095), (45, 625676), (60, 469257), (90, 312838), (180, 156419)]