84086820

素因数分解:

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

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 255822840

約数和(自身を除く): 171736020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 569, 821, 1138, 1642, 1707, 2276, 2463, 2845, 3284, 3414, 4105, 4926, 5121, 5690, 6828, 7389, 8210, 8535, 9852, 10242, 11380, 12315, 14778, 16420, 17070, 20484, 24630, 25605, 29556, 34140, 36945, 49260, 51210, 73890, 102420, 147780, 467149, 934298, 1401447, 1868596, 2335745, 2802894, 4204341, 4671490, 5605788, 7007235, 8408682, 9342980, 14014470, 16817364, 21021705, 28028940, 42043410, 84086820]

約数ペア:

[(1, 84086820), (2, 42043410), (3, 28028940), (4, 21021705), (5, 16817364), (6, 14014470), (9, 9342980), (10, 8408682), (12, 7007235), (15, 5605788), (18, 4671490), (20, 4204341), (30, 2802894), (36, 2335745), (45, 1868596), (60, 1401447), (90, 934298), (180, 467149), (569, 147780), (821, 102420), (1138, 73890), (1642, 51210), (1707, 49260), (2276, 36945), (2463, 34140), (2845, 29556), (3284, 25605), (3414, 24630), (4105, 20484), (4926, 17070), (5121, 16420), (5690, 14778), (6828, 12315), (7389, 11380), (8210, 10242), (8535, 9852)]