81138900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{270463}}^1$

素因数の和:270480

約数の個数: 36

約数和(自身を含む): 234762752

約数和(自身を除く): 153623852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 270463, 540926, 811389, 1081852, 1352315, 1622778, 2704630, 3245556, 4056945, 5409260, 6761575, 8113890, 13523150, 16227780, 20284725, 27046300, 40569450, 81138900]

約数ペア:

[(1, 81138900), (2, 40569450), (3, 27046300), (4, 20284725), (5, 16227780), (6, 13523150), (10, 8113890), (12, 6761575), (15, 5409260), (20, 4056945), (25, 3245556), (30, 2704630), (50, 1622778), (60, 1352315), (75, 1081852), (100, 811389), (150, 540926), (300, 270463)]