256879512

素因数分解:

$2^3\times 3^4\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 722181240

約数和(自身を除く): 465301728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 353, 648, 706, 1059, 1123, 1412, 2118, 2246, 2824, 3177, 3369, 4236, 4492, 6354, 6738, 8472, 8984, 9531, 10107, 12708, 13476, 19062, 20214, 25416, 26952, 28593, 30321, 38124, 40428, 57186, 60642, 76248, 80856, 90963, 114372, 121284, 181926, 228744, 242568, 363852, 396419, 727704, 792838, 1189257, 1585676, 2378514, 3171352, 3567771, 4757028, 7135542, 9514056, 10703313, 14271084, 21406626, 28542168, 32109939, 42813252, 64219878, 85626504, 128439756, 256879512]

約数ペア:

[(1, 256879512), (2, 128439756), (3, 85626504), (4, 64219878), (6, 42813252), (8, 32109939), (9, 28542168), (12, 21406626), (18, 14271084), (24, 10703313), (27, 9514056), (36, 7135542), (54, 4757028), (72, 3567771), (81, 3171352), (108, 2378514), (162, 1585676), (216, 1189257), (324, 792838), (353, 727704), (648, 396419), (706, 363852), (1059, 242568), (1123, 228744), (1412, 181926), (2118, 121284), (2246, 114372), (2824, 90963), (3177, 80856), (3369, 76248), (4236, 60642), (4492, 57186), (6354, 40428), (6738, 38124), (8472, 30321), (8984, 28593), (9531, 26952), (10107, 25416), (12708, 20214), (13476, 19062)]