27780240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{115751}}^1$

素因数の和:115767

約数の個数: 40

約数和(自身を含む): 86119488

約数和(自身を除く): 58339248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 115751, 231502, 347253, 463004, 578755, 694506, 926008, 1157510, 1389012, 1736265, 1852016, 2315020, 2778024, 3472530, 4630040, 5556048, 6945060, 9260080, 13890120, 27780240]

約数ペア:

[(1, 27780240), (2, 13890120), (3, 9260080), (4, 6945060), (5, 5556048), (6, 4630040), (8, 3472530), (10, 2778024), (12, 2315020), (15, 1852016), (16, 1736265), (20, 1389012), (24, 1157510), (30, 926008), (40, 694506), (48, 578755), (60, 463004), (80, 347253), (120, 231502), (240, 115751)]