80621856

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 216

約数和(自身を含む): 277297020

約数和(自身を除く): 196675164

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 96, 98, 112, 116, 126, 144, 147, 168, 174, 196, 197, 203, 224, 232, 252, 261, 288, 294, 336, 348, 392, 394, 406, 441, 464, 504, 522, 588, 591, 609, 672, 696, 784, 788, 812, 882, 928, 1008, 1044, 1176, 1182, 1218, 1379, 1392, 1421, 1568, 1576, 1624, 1764, 1773, 1827, 2016, 2088, 2352, 2364, 2436, 2758, 2784, 2842, 3152, 3248, 3528, 3546, 3654, 4137, 4176, 4263, 4704, 4728, 4872, 5516, 5684, 5713, 6304, 6496, 7056, 7092, 7308, 8274, 8352, 8526, 9456, 9653, 9744, 11032, 11368, 11426, 12411, 12789, 14112, 14184, 14616, 16548, 17052, 17139, 18912, 19306, 19488, 22064, 22736, 22852, 24822, 25578, 28368, 28959, 29232, 33096, 34104, 34278, 38612, 39991, 44128, 45472, 45704, 49644, 51156, 51417, 56736, 57918, 58464, 66192, 68208, 68556, 77224, 79982, 86877, 91408, 99288, 102312, 102834, 115836, 119973, 132384, 136416, 137112, 154448, 159964, 173754, 182816, 198576, 204624, 205668, 231672, 239946, 274224, 279937, 308896, 319928, 347508, 359919, 397152, 409248, 411336, 463344, 479892, 548448, 559874, 639856, 695016, 719838, 822672, 839811, 926688, 959784, 1119748, 1279712, 1390032, 1439676, 1645344, 1679622, 1919568, 2239496, 2519433, 2780064, 2879352, 3359244, 3839136, 4478992, 5038866, 5758704, 6718488, 8957984, 10077732, 11517408, 13436976, 20155464, 26873952, 40310928, 80621856]

約数ペア:

[(1, 80621856), (2, 40310928), (3, 26873952), (4, 20155464), (6, 13436976), (7, 11517408), (8, 10077732), (9, 8957984), (12, 6718488), (14, 5758704), (16, 5038866), (18, 4478992), (21, 3839136), (24, 3359244), (28, 2879352), (29, 2780064), (32, 2519433), (36, 2239496), (42, 1919568), (48, 1679622), (49, 1645344), (56, 1439676), (58, 1390032), (63, 1279712), (72, 1119748), (84, 959784), (87, 926688), (96, 839811), (98, 822672), (112, 719838), (116, 695016), (126, 639856), (144, 559874), (147, 548448), (168, 479892), (174, 463344), (196, 411336), (197, 409248), (203, 397152), (224, 359919), (232, 347508), (252, 319928), (261, 308896), (288, 279937), (294, 274224), (336, 239946), (348, 231672), (392, 205668), (394, 204624), (406, 198576), (441, 182816), (464, 173754), (504, 159964), (522, 154448), (588, 137112), (591, 136416), (609, 132384), (672, 119973), (696, 115836), (784, 102834), (788, 102312), (812, 99288), (882, 91408), (928, 86877), (1008, 79982), (1044, 77224), (1176, 68556), (1182, 68208), (1218, 66192), (1379, 58464), (1392, 57918), (1421, 56736), (1568, 51417), (1576, 51156), (1624, 49644), (1764, 45704), (1773, 45472), (1827, 44128), (2016, 39991), (2088, 38612), (2352, 34278), (2364, 34104), (2436, 33096), (2758, 29232), (2784, 28959), (2842, 28368), (3152, 25578), (3248, 24822), (3528, 22852), (3546, 22736), (3654, 22064), (4137, 19488), (4176, 19306), (4263, 18912), (4704, 17139), (4728, 17052), (4872, 16548), (5516, 14616), (5684, 14184), (5713, 14112), (6304, 12789), (6496, 12411), (7056, 11426), (7092, 11368), (7308, 11032), (8274, 9744), (8352, 9653), (8526, 9456)]