31881690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1979}}^1$

素因数の和:2171

約数の個数: 48

約数和(自身を含む): 83397600

約数和(自身を除く): 51515910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1611, 1790, 1979, 2685, 3222, 3958, 5370, 5937, 8055, 9895, 11874, 16110, 17811, 19790, 29685, 35622, 59370, 89055, 178110, 354241, 708482, 1062723, 1771205, 2125446, 3188169, 3542410, 5313615, 6376338, 10627230, 15940845, 31881690]

約数ペア:

[(1, 31881690), (2, 15940845), (3, 10627230), (5, 6376338), (6, 5313615), (9, 3542410), (10, 3188169), (15, 2125446), (18, 1771205), (30, 1062723), (45, 708482), (90, 354241), (179, 178110), (358, 89055), (537, 59370), (895, 35622), (1074, 29685), (1611, 19790), (1790, 17811), (1979, 16110), (2685, 11874), (3222, 9895), (3958, 8055), (5370, 5937)]