126461960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 293310720

約数和(自身を除く): 166848760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 470, 491, 548, 685, 940, 982, 1096, 1370, 1880, 1964, 2455, 2740, 3928, 4910, 5480, 6439, 9820, 12878, 19640, 23077, 25756, 32195, 46154, 51512, 64390, 67267, 92308, 115385, 128780, 134534, 184616, 230770, 257560, 269068, 336335, 461540, 538136, 672670, 923080, 1345340, 2690680, 3161549, 6323098, 12646196, 15807745, 25292392, 31615490, 63230980, 126461960]

約数ペア:

[(1, 126461960), (2, 63230980), (4, 31615490), (5, 25292392), (8, 15807745), (10, 12646196), (20, 6323098), (40, 3161549), (47, 2690680), (94, 1345340), (137, 923080), (188, 672670), (235, 538136), (274, 461540), (376, 336335), (470, 269068), (491, 257560), (548, 230770), (685, 184616), (940, 134534), (982, 128780), (1096, 115385), (1370, 92308), (1880, 67267), (1964, 64390), (2455, 51512), (2740, 46154), (3928, 32195), (4910, 25756), (5480, 23077), (6439, 19640), (9820, 12878)]