28028940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{821}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 78714720

約数和(自身を除く): 50685780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 569, 821, 1138, 1642, 1707, 2276, 2463, 2845, 3284, 3414, 4105, 4926, 5690, 6828, 8210, 8535, 9852, 11380, 12315, 16420, 17070, 24630, 34140, 49260, 467149, 934298, 1401447, 1868596, 2335745, 2802894, 4671490, 5605788, 7007235, 9342980, 14014470, 28028940]

約数ペア:

[(1, 28028940), (2, 14014470), (3, 9342980), (4, 7007235), (5, 5605788), (6, 4671490), (10, 2802894), (12, 2335745), (15, 1868596), (20, 1401447), (30, 934298), (60, 467149), (569, 49260), (821, 34140), (1138, 24630), (1642, 17070), (1707, 16420), (2276, 12315), (2463, 11380), (2845, 9852), (3284, 8535), (3414, 8210), (4105, 6828), (4926, 5690)]