81501660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{150929}}^1$

素因数の和:150947

約数の個数: 48

約数和(自身を含む): 253562400

約数和(自身を除く): 172060740

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, 150929, 301858, 452787, 603716, 754645, 905574, 1358361, 1509290, 1811148, 2263935, 2716722, 3018580, 4075083, 4527870, 5433444, 6791805, 8150166, 9055740, 13583610, 16300332, 20375415, 27167220, 40750830, 81501660]

約数ペア:

[(1, 81501660), (2, 40750830), (3, 27167220), (4, 20375415), (5, 16300332), (6, 13583610), (9, 9055740), (10, 8150166), (12, 6791805), (15, 5433444), (18, 4527870), (20, 4075083), (27, 3018580), (30, 2716722), (36, 2263935), (45, 1811148), (54, 1509290), (60, 1358361), (90, 905574), (108, 754645), (135, 603716), (180, 452787), (270, 301858), (540, 150929)]