1280685392

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{1063}}^1$

素因数の和:1456

約数の個数: 80

約数和(自身を含む): 2938478592

約数和(自身を除く): 1657793200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 347, 434, 496, 694, 868, 1063, 1388, 1736, 2126, 2429, 2776, 3472, 4252, 4858, 5552, 7441, 8504, 9716, 10757, 14882, 17008, 19432, 21514, 29764, 32953, 38864, 43028, 59528, 65906, 75299, 86056, 119056, 131812, 150598, 172112, 230671, 263624, 301196, 368861, 461342, 527248, 602392, 737722, 922684, 1204784, 1475444, 1845368, 2582027, 2950888, 3690736, 5164054, 5901776, 10328108, 11434691, 20656216, 22869382, 41312432, 45738764, 80042837, 91477528, 160085674, 182955056, 320171348, 640342696, 1280685392]

約数ペア:

[(1, 1280685392), (2, 640342696), (4, 320171348), (7, 182955056), (8, 160085674), (14, 91477528), (16, 80042837), (28, 45738764), (31, 41312432), (56, 22869382), (62, 20656216), (112, 11434691), (124, 10328108), (217, 5901776), (248, 5164054), (347, 3690736), (434, 2950888), (496, 2582027), (694, 1845368), (868, 1475444), (1063, 1204784), (1388, 922684), (1736, 737722), (2126, 602392), (2429, 527248), (2776, 461342), (3472, 368861), (4252, 301196), (4858, 263624), (5552, 230671), (7441, 172112), (8504, 150598), (9716, 131812), (10757, 119056), (14882, 86056), (17008, 75299), (19432, 65906), (21514, 59528), (29764, 43028), (32953, 38864)]