81822636

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 120

約数和(自身を含む): 250440960

約数和(自身を除く): 168618324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 252, 258, 301, 324, 378, 387, 516, 567, 602, 756, 774, 839, 903, 1134, 1161, 1204, 1548, 1678, 1806, 2268, 2322, 2517, 2709, 3356, 3483, 3612, 4644, 5034, 5418, 5873, 6966, 7551, 8127, 10068, 10836, 11746, 13932, 15102, 16254, 17619, 22653, 23492, 24381, 30204, 32508, 35238, 36077, 45306, 48762, 52857, 67959, 70476, 72154, 90612, 97524, 105714, 108231, 135918, 144308, 158571, 211428, 216462, 252539, 271836, 317142, 324693, 432924, 475713, 505078, 634284, 649386, 757617, 951426, 974079, 1010156, 1298772, 1515234, 1902852, 1948158, 2272851, 2922237, 3030468, 3896316, 4545702, 5844474, 6818553, 9091404, 11688948, 13637106, 20455659, 27274212, 40911318, 81822636]

約数ペア:

[(1, 81822636), (2, 40911318), (3, 27274212), (4, 20455659), (6, 13637106), (7, 11688948), (9, 9091404), (12, 6818553), (14, 5844474), (18, 4545702), (21, 3896316), (27, 3030468), (28, 2922237), (36, 2272851), (42, 1948158), (43, 1902852), (54, 1515234), (63, 1298772), (81, 1010156), (84, 974079), (86, 951426), (108, 757617), (126, 649386), (129, 634284), (162, 505078), (172, 475713), (189, 432924), (252, 324693), (258, 317142), (301, 271836), (324, 252539), (378, 216462), (387, 211428), (516, 158571), (567, 144308), (602, 135918), (756, 108231), (774, 105714), (839, 97524), (903, 90612), (1134, 72154), (1161, 70476), (1204, 67959), (1548, 52857), (1678, 48762), (1806, 45306), (2268, 36077), (2322, 35238), (2517, 32508), (2709, 30204), (3356, 24381), (3483, 23492), (3612, 22653), (4644, 17619), (5034, 16254), (5418, 15102), (5873, 13932), (6966, 11746), (7551, 10836), (8127, 10068)]