27580784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 67900416

約数和(自身を除く): 40319632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 122, 154, 176, 244, 308, 367, 427, 488, 616, 671, 734, 854, 976, 1232, 1342, 1468, 1708, 2569, 2684, 2936, 3416, 4037, 4697, 5138, 5368, 5872, 6832, 8074, 9394, 10276, 10736, 16148, 18788, 20552, 22387, 28259, 32296, 37576, 41104, 44774, 56518, 64592, 75152, 89548, 113036, 156709, 179096, 226072, 246257, 313418, 358192, 452144, 492514, 626836, 985028, 1253672, 1723799, 1970056, 2507344, 3447598, 3940112, 6895196, 13790392, 27580784]

約数ペア:

[(1, 27580784), (2, 13790392), (4, 6895196), (7, 3940112), (8, 3447598), (11, 2507344), (14, 1970056), (16, 1723799), (22, 1253672), (28, 985028), (44, 626836), (56, 492514), (61, 452144), (77, 358192), (88, 313418), (112, 246257), (122, 226072), (154, 179096), (176, 156709), (244, 113036), (308, 89548), (367, 75152), (427, 64592), (488, 56518), (616, 44774), (671, 41104), (734, 37576), (854, 32296), (976, 28259), (1232, 22387), (1342, 20552), (1468, 18788), (1708, 16148), (2569, 10736), (2684, 10276), (2936, 9394), (3416, 8074), (4037, 6832), (4697, 5872), (5138, 5368)]