82545680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 220652544

約数和(自身を除く): 138106864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 661, 892, 1115, 1322, 1561, 1784, 2230, 2644, 3122, 3305, 3568, 4460, 4627, 5288, 6244, 6610, 7805, 8920, 9254, 10576, 12488, 13220, 15610, 17840, 18508, 23135, 24976, 26440, 31220, 37016, 46270, 52880, 62440, 74032, 92540, 124880, 147403, 185080, 294806, 370160, 589612, 737015, 1031821, 1179224, 1474030, 2063642, 2358448, 2948060, 4127284, 5159105, 5896120, 8254568, 10318210, 11792240, 16509136, 20636420, 41272840, 82545680]

約数ペア:

[(1, 82545680), (2, 41272840), (4, 20636420), (5, 16509136), (7, 11792240), (8, 10318210), (10, 8254568), (14, 5896120), (16, 5159105), (20, 4127284), (28, 2948060), (35, 2358448), (40, 2063642), (56, 1474030), (70, 1179224), (80, 1031821), (112, 737015), (140, 589612), (223, 370160), (280, 294806), (446, 185080), (560, 147403), (661, 124880), (892, 92540), (1115, 74032), (1322, 62440), (1561, 52880), (1784, 46270), (2230, 37016), (2644, 31220), (3122, 26440), (3305, 24976), (3568, 23135), (4460, 18508), (4627, 17840), (5288, 15610), (6244, 13220), (6610, 12488), (7805, 10576), (8920, 9254)]