82787220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{459929}}^1$

素因数の和:459944

約数の個数: 36

約数和(自身を含む): 251121780

約数和(自身を除く): 168334560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 459929, 919858, 1379787, 1839716, 2299645, 2759574, 4139361, 4599290, 5519148, 6898935, 8278722, 9198580, 13797870, 16557444, 20696805, 27595740, 41393610, 82787220]

約数ペア:

[(1, 82787220), (2, 41393610), (3, 27595740), (4, 20696805), (5, 16557444), (6, 13797870), (9, 9198580), (10, 8278722), (12, 6898935), (15, 5519148), (18, 4599290), (20, 4139361), (30, 2759574), (36, 2299645), (45, 1839716), (60, 1379787), (90, 919858), (180, 459929)]