990642780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{5503571}}^1$

素因数の和:5503586

約数の個数: 36

約数和(自身を含む): 3004950312

約数和(自身を除く): 2014307532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 5503571, 11007142, 16510713, 22014284, 27517855, 33021426, 49532139, 55035710, 66042852, 82553565, 99064278, 110071420, 165107130, 198128556, 247660695, 330214260, 495321390, 990642780]

約数ペア:

[(1, 990642780), (2, 495321390), (3, 330214260), (4, 247660695), (5, 198128556), (6, 165107130), (9, 110071420), (10, 99064278), (12, 82553565), (15, 66042852), (18, 55035710), (20, 49532139), (30, 33021426), (36, 27517855), (45, 22014284), (60, 16510713), (90, 11007142), (180, 5503571)]