81751140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151391}}^1$

素因数の和:151409

約数の個数: 48

約数和(自身を含む): 254338560

約数和(自身を除く): 172587420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151391, 302782, 454173, 605564, 756955, 908346, 1362519, 1513910, 1816692, 2270865, 2725038, 3027820, 4087557, 4541730, 5450076, 6812595, 8175114, 9083460, 13625190, 16350228, 20437785, 27250380, 40875570, 81751140]

約数ペア:

[(1, 81751140), (2, 40875570), (3, 27250380), (4, 20437785), (5, 16350228), (6, 13625190), (9, 9083460), (10, 8175114), (12, 6812595), (15, 5450076), (18, 4541730), (20, 4087557), (27, 3027820), (30, 2725038), (36, 2270865), (45, 1816692), (54, 1513910), (60, 1362519), (90, 908346), (108, 756955), (135, 605564), (180, 454173), (270, 302782), (540, 151391)]