81955260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151769}}^1$

素因数の和:151787

約数の個数: 48

約数和(自身を含む): 254973600

約数和(自身を除く): 173018340

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, 151769, 303538, 455307, 607076, 758845, 910614, 1365921, 1517690, 1821228, 2276535, 2731842, 3035380, 4097763, 4553070, 5463684, 6829605, 8195526, 9106140, 13659210, 16391052, 20488815, 27318420, 40977630, 81955260]

約数ペア:

[(1, 81955260), (2, 40977630), (3, 27318420), (4, 20488815), (5, 16391052), (6, 13659210), (9, 9106140), (10, 8195526), (12, 6829605), (15, 5463684), (18, 4553070), (20, 4097763), (27, 3035380), (30, 2731842), (36, 2276535), (45, 1821228), (54, 1517690), (60, 1365921), (90, 910614), (108, 758845), (135, 607076), (180, 455307), (270, 303538), (540, 151769)]