81445776

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 224592768

約数和(自身を除く): 143146992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 151, 204, 272, 302, 408, 453, 604, 661, 816, 906, 1208, 1322, 1812, 1983, 2416, 2567, 2644, 3624, 3966, 5134, 5288, 7248, 7701, 7932, 10268, 10576, 11237, 15402, 15864, 20536, 22474, 30804, 31728, 33711, 41072, 44948, 61608, 67422, 89896, 99811, 123216, 134844, 179792, 199622, 269688, 299433, 399244, 539376, 598866, 798488, 1197732, 1596976, 1696787, 2395464, 3393574, 4790928, 5090361, 6787148, 10180722, 13574296, 20361444, 27148592, 40722888, 81445776]

約数ペア:

[(1, 81445776), (2, 40722888), (3, 27148592), (4, 20361444), (6, 13574296), (8, 10180722), (12, 6787148), (16, 5090361), (17, 4790928), (24, 3393574), (34, 2395464), (48, 1696787), (51, 1596976), (68, 1197732), (102, 798488), (136, 598866), (151, 539376), (204, 399244), (272, 299433), (302, 269688), (408, 199622), (453, 179792), (604, 134844), (661, 123216), (816, 99811), (906, 89896), (1208, 67422), (1322, 61608), (1812, 44948), (1983, 41072), (2416, 33711), (2567, 31728), (2644, 30804), (3624, 22474), (3966, 20536), (5134, 15864), (5288, 15402), (7248, 11237), (7701, 10576), (7932, 10268)]