28261680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{117757}}^1$

素因数の和:117773

約数の個数: 40

約数和(自身を含む): 87611952

約数和(自身を除く): 59350272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 117757, 235514, 353271, 471028, 588785, 706542, 942056, 1177570, 1413084, 1766355, 1884112, 2355140, 2826168, 3532710, 4710280, 5652336, 7065420, 9420560, 14130840, 28261680]

約数ペア:

[(1, 28261680), (2, 14130840), (3, 9420560), (4, 7065420), (5, 5652336), (6, 4710280), (8, 3532710), (10, 2826168), (12, 2355140), (15, 1884112), (16, 1766355), (20, 1413084), (24, 1177570), (30, 942056), (40, 706542), (48, 588785), (60, 471028), (80, 353271), (120, 235514), (240, 117757)]