81656220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{7603}}^1$

素因数の和:7794

約数の個数: 48

約数和(自身を含む): 229944960

約数和(自身を除く): 148288740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2685, 3580, 5370, 7603, 10740, 15206, 22809, 30412, 38015, 45618, 76030, 91236, 114045, 152060, 228090, 456180, 1360937, 2721874, 4082811, 5443748, 6804685, 8165622, 13609370, 16331244, 20414055, 27218740, 40828110, 81656220]

約数ペア:

[(1, 81656220), (2, 40828110), (3, 27218740), (4, 20414055), (5, 16331244), (6, 13609370), (10, 8165622), (12, 6804685), (15, 5443748), (20, 4082811), (30, 2721874), (60, 1360937), (179, 456180), (358, 228090), (537, 152060), (716, 114045), (895, 91236), (1074, 76030), (1790, 45618), (2148, 38015), (2685, 30412), (3580, 22809), (5370, 15206), (7603, 10740)]