12720602556

素因数分解:

$2^2\times 3^4\times {\mathrm{257}}^1\times {\mathrm{152767}}^1$

素因数の和:153040

約数の個数: 60

約数和(自身を含む): 33383779968

約数和(自身を除く): 20663177412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 257, 324, 514, 771, 1028, 1542, 2313, 3084, 4626, 6939, 9252, 13878, 20817, 27756, 41634, 83268, 152767, 305534, 458301, 611068, 916602, 1374903, 1833204, 2749806, 4124709, 5499612, 8249418, 12374127, 16498836, 24748254, 39261119, 49496508, 78522238, 117783357, 157044476, 235566714, 353350071, 471133428, 706700142, 1060050213, 1413400284, 2120100426, 3180150639, 4240200852, 6360301278, 12720602556]

約数ペア:

[(1, 12720602556), (2, 6360301278), (3, 4240200852), (4, 3180150639), (6, 2120100426), (9, 1413400284), (12, 1060050213), (18, 706700142), (27, 471133428), (36, 353350071), (54, 235566714), (81, 157044476), (108, 117783357), (162, 78522238), (257, 49496508), (324, 39261119), (514, 24748254), (771, 16498836), (1028, 12374127), (1542, 8249418), (2313, 5499612), (3084, 4124709), (4626, 2749806), (6939, 1833204), (9252, 1374903), (13878, 916602), (20817, 611068), (27756, 458301), (41634, 305534), (83268, 152767)]