1520355825

素因数分解:

$3^4\times 5^2\times {\mathrm{677}}^1\times {\mathrm{1109}}^1$

素因数の和:1808

約数の個数: 60

約数和(自身を含む): 2822927580

約数和(自身を除く): 1302571755

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 677, 1109, 2025, 2031, 3327, 3385, 5545, 6093, 9981, 10155, 16635, 16925, 18279, 27725, 29943, 30465, 49905, 50775, 54837, 83175, 89829, 91395, 149715, 152325, 249525, 274185, 449145, 456975, 748575, 750793, 1370925, 2245725, 2252379, 3753965, 6757137, 11261895, 18769825, 20271411, 33785685, 56309475, 60814233, 101357055, 168928425, 304071165, 506785275, 1520355825]

約数ペア:

[(1, 1520355825), (3, 506785275), (5, 304071165), (9, 168928425), (15, 101357055), (25, 60814233), (27, 56309475), (45, 33785685), (75, 20271411), (81, 18769825), (135, 11261895), (225, 6757137), (405, 3753965), (675, 2252379), (677, 2245725), (1109, 1370925), (2025, 750793), (2031, 748575), (3327, 456975), (3385, 449145), (5545, 274185), (6093, 249525), (9981, 152325), (10155, 149715), (16635, 91395), (16925, 89829), (18279, 83175), (27725, 54837), (29943, 50775), (30465, 49905)]