81712848

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1549}}^1$

素因数の和:1724

約数の個数: 80

約数和(自身を含む): 242940800

約数和(自身を除く): 161227952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 471, 628, 942, 1099, 1256, 1549, 1884, 2198, 2512, 3098, 3297, 3768, 4396, 4647, 6196, 6594, 7536, 8792, 9294, 10843, 12392, 13188, 17584, 18588, 21686, 24784, 26376, 32529, 37176, 43372, 52752, 65058, 74352, 86744, 130116, 173488, 243193, 260232, 486386, 520464, 729579, 972772, 1459158, 1702351, 1945544, 2918316, 3404702, 3891088, 5107053, 5836632, 6809404, 10214106, 11673264, 13618808, 20428212, 27237616, 40856424, 81712848]

約数ペア:

[(1, 81712848), (2, 40856424), (3, 27237616), (4, 20428212), (6, 13618808), (7, 11673264), (8, 10214106), (12, 6809404), (14, 5836632), (16, 5107053), (21, 3891088), (24, 3404702), (28, 2918316), (42, 1945544), (48, 1702351), (56, 1459158), (84, 972772), (112, 729579), (157, 520464), (168, 486386), (314, 260232), (336, 243193), (471, 173488), (628, 130116), (942, 86744), (1099, 74352), (1256, 65058), (1549, 52752), (1884, 43372), (2198, 37176), (2512, 32529), (3098, 26376), (3297, 24784), (3768, 21686), (4396, 18588), (4647, 17584), (6196, 13188), (6594, 12392), (7536, 10843), (8792, 9294)]