51988140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{288823}}^1$

素因数の和:288838

約数の個数: 36

約数和(自身を含む): 157697904

約数和(自身を除く): 105709764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 288823, 577646, 866469, 1155292, 1444115, 1732938, 2599407, 2888230, 3465876, 4332345, 5198814, 5776460, 8664690, 10397628, 12997035, 17329380, 25994070, 51988140]

約数ペア:

[(1, 51988140), (2, 25994070), (3, 17329380), (4, 12997035), (5, 10397628), (6, 8664690), (9, 5776460), (10, 5198814), (12, 4332345), (15, 3465876), (18, 2888230), (20, 2599407), (30, 1732938), (36, 1444115), (45, 1155292), (60, 866469), (90, 577646), (180, 288823)]