1230487760

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 2900385792

約数和(自身を除く): 1669898032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 281, 431, 508, 562, 635, 862, 1016, 1124, 1270, 1405, 1724, 2032, 2155, 2248, 2540, 2810, 3448, 4310, 4496, 5080, 5620, 6896, 8620, 10160, 11240, 17240, 22480, 34480, 35687, 54737, 71374, 109474, 121111, 142748, 178435, 218948, 242222, 273685, 285496, 356870, 437896, 484444, 547370, 570992, 605555, 713740, 875792, 968888, 1094740, 1211110, 1427480, 1937776, 2189480, 2422220, 2854960, 4378960, 4844440, 9688880, 15381097, 30762194, 61524388, 76905485, 123048776, 153810970, 246097552, 307621940, 615243880, 1230487760]

約数ペア:

[(1, 1230487760), (2, 615243880), (4, 307621940), (5, 246097552), (8, 153810970), (10, 123048776), (16, 76905485), (20, 61524388), (40, 30762194), (80, 15381097), (127, 9688880), (254, 4844440), (281, 4378960), (431, 2854960), (508, 2422220), (562, 2189480), (635, 1937776), (862, 1427480), (1016, 1211110), (1124, 1094740), (1270, 968888), (1405, 875792), (1724, 713740), (2032, 605555), (2155, 570992), (2248, 547370), (2540, 484444), (2810, 437896), (3448, 356870), (4310, 285496), (4496, 273685), (5080, 242222), (5620, 218948), (6896, 178435), (8620, 142748), (10160, 121111), (11240, 109474), (17240, 71374), (22480, 54737), (34480, 35687)]