27982980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155461}}^1$

素因数の和:155476

約数の個数: 36

約数和(自身を含む): 84882252

約数和(自身を除く): 56899272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155461, 310922, 466383, 621844, 777305, 932766, 1399149, 1554610, 1865532, 2331915, 2798298, 3109220, 4663830, 5596596, 6995745, 9327660, 13991490, 27982980]

約数ペア:

[(1, 27982980), (2, 13991490), (3, 9327660), (4, 6995745), (5, 5596596), (6, 4663830), (9, 3109220), (10, 2798298), (12, 2331915), (15, 1865532), (18, 1554610), (20, 1399149), (30, 932766), (36, 777305), (45, 621844), (60, 466383), (90, 310922), (180, 155461)]