147780

素因数分解:

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

素因数の和:836

約数の個数: 36

約数和(自身を含む): 448812

約数和(自身を除く): 301032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 821, 1642, 2463, 3284, 4105, 4926, 7389, 8210, 9852, 12315, 14778, 16420, 24630, 29556, 36945, 49260, 73890, 147780]

約数ペア:

[(1, 147780), (2, 73890), (3, 49260), (4, 36945), (5, 29556), (6, 24630), (9, 16420), (10, 14778), (12, 12315), (15, 9852), (18, 8210), (20, 7389), (30, 4926), (36, 4105), (45, 3284), (60, 2463), (90, 1642), (180, 821)]