66840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278503}}^1$

素因数の和:278519

約数の個数: 40

約数和(自身を含む): 207206976

約数和(自身を除く): 140366256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278503, 557006, 835509, 1114012, 1392515, 1671018, 2228024, 2785030, 3342036, 4177545, 4456048, 5570060, 6684072, 8355090, 11140120, 13368144, 16710180, 22280240, 33420360, 66840720]

約数ペア:

[(1, 66840720), (2, 33420360), (3, 22280240), (4, 16710180), (5, 13368144), (6, 11140120), (8, 8355090), (10, 6684072), (12, 5570060), (15, 4456048), (16, 4177545), (20, 3342036), (24, 2785030), (30, 2228024), (40, 1671018), (48, 1392515), (60, 1114012), (80, 835509), (120, 557006), (240, 278503)]