15859120

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 37167264

約数和(自身を除く): 21308144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1447, 2192, 2740, 2894, 5480, 5788, 7235, 10960, 11576, 14470, 23152, 28940, 57880, 115760, 198239, 396478, 792956, 991195, 1585912, 1982390, 3171824, 3964780, 7929560, 15859120]

約数ペア:

[(1, 15859120), (2, 7929560), (4, 3964780), (5, 3171824), (8, 1982390), (10, 1585912), (16, 991195), (20, 792956), (40, 396478), (80, 198239), (137, 115760), (274, 57880), (548, 28940), (685, 23152), (1096, 14470), (1370, 11576), (1447, 10960), (2192, 7235), (2740, 5788), (2894, 5480)]