255880680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1301}}^1$

素因数の和:1475

約数の個数: 128

約数和(自身を含む): 843696000

約数和(自身を除く): 587815320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 149, 165, 220, 264, 298, 330, 440, 447, 596, 660, 745, 894, 1192, 1301, 1320, 1490, 1639, 1788, 2235, 2602, 2980, 3278, 3576, 3903, 4470, 4917, 5204, 5960, 6505, 6556, 7806, 8195, 8940, 9834, 10408, 13010, 13112, 14311, 15612, 16390, 17880, 19515, 19668, 24585, 26020, 28622, 31224, 32780, 39030, 39336, 42933, 49170, 52040, 57244, 65560, 71555, 78060, 85866, 98340, 114488, 143110, 156120, 171732, 193849, 196680, 214665, 286220, 343464, 387698, 429330, 572440, 581547, 775396, 858660, 969245, 1163094, 1550792, 1717320, 1938490, 2132339, 2326188, 2907735, 3876980, 4264678, 4652376, 5815470, 6397017, 7753960, 8529356, 10661695, 11630940, 12794034, 17058712, 21323390, 23261880, 25588068, 31985085, 42646780, 51176136, 63970170, 85293560, 127940340, 255880680]

約数ペア:

[(1, 255880680), (2, 127940340), (3, 85293560), (4, 63970170), (5, 51176136), (6, 42646780), (8, 31985085), (10, 25588068), (11, 23261880), (12, 21323390), (15, 17058712), (20, 12794034), (22, 11630940), (24, 10661695), (30, 8529356), (33, 7753960), (40, 6397017), (44, 5815470), (55, 4652376), (60, 4264678), (66, 3876980), (88, 2907735), (110, 2326188), (120, 2132339), (132, 1938490), (149, 1717320), (165, 1550792), (220, 1163094), (264, 969245), (298, 858660), (330, 775396), (440, 581547), (447, 572440), (596, 429330), (660, 387698), (745, 343464), (894, 286220), (1192, 214665), (1301, 196680), (1320, 193849), (1490, 171732), (1639, 156120), (1788, 143110), (2235, 114488), (2602, 98340), (2980, 85866), (3278, 78060), (3576, 71555), (3903, 65560), (4470, 57244), (4917, 52040), (5204, 49170), (5960, 42933), (6505, 39336), (6556, 39030), (7806, 32780), (8195, 31224), (8940, 28622), (9834, 26020), (10408, 24585), (13010, 19668), (13112, 19515), (14311, 17880), (15612, 16390)]