720161286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 1581334272

約数和(自身を除く): 861172986

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 173, 249, 346, 498, 519, 643, 1038, 1079, 1286, 1929, 2158, 2249, 3237, 3858, 4498, 6474, 6747, 8359, 13494, 14359, 16718, 25077, 28718, 43077, 50154, 53369, 86154, 106738, 111239, 160107, 186667, 222478, 320214, 333717, 373334, 560001, 667434, 693797, 1120002, 1387594, 1446107, 2081391, 2892214, 4162782, 4338321, 8676642, 9232837, 18465674, 27698511, 55397022, 120026881, 240053762, 360080643, 720161286]

約数ペア:

[(1, 720161286), (2, 360080643), (3, 240053762), (6, 120026881), (13, 55397022), (26, 27698511), (39, 18465674), (78, 9232837), (83, 8676642), (166, 4338321), (173, 4162782), (249, 2892214), (346, 2081391), (498, 1446107), (519, 1387594), (643, 1120002), (1038, 693797), (1079, 667434), (1286, 560001), (1929, 373334), (2158, 333717), (2249, 320214), (3237, 222478), (3858, 186667), (4498, 160107), (6474, 111239), (6747, 106738), (8359, 86154), (13494, 53369), (14359, 50154), (16718, 43077), (25077, 28718)]