165580940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 408965760

約数和(自身を除く): 243384820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 97, 137, 140, 178, 194, 274, 356, 388, 445, 485, 548, 623, 679, 685, 890, 959, 970, 1246, 1358, 1370, 1780, 1918, 1940, 2492, 2716, 2740, 3115, 3395, 3836, 4795, 6230, 6790, 8633, 9590, 12193, 12460, 13289, 13580, 17266, 19180, 24386, 26578, 34532, 43165, 48772, 53156, 60431, 60965, 66445, 85351, 86330, 93023, 120862, 121930, 132890, 170702, 172660, 186046, 241724, 243860, 265780, 302155, 341404, 372092, 426755, 465115, 604310, 853510, 930230, 1182721, 1208620, 1707020, 1860460, 2365442, 4730884, 5913605, 8279047, 11827210, 16558094, 23654420, 33116188, 41395235, 82790470, 165580940]

約数ペア:

[(1, 165580940), (2, 82790470), (4, 41395235), (5, 33116188), (7, 23654420), (10, 16558094), (14, 11827210), (20, 8279047), (28, 5913605), (35, 4730884), (70, 2365442), (89, 1860460), (97, 1707020), (137, 1208620), (140, 1182721), (178, 930230), (194, 853510), (274, 604310), (356, 465115), (388, 426755), (445, 372092), (485, 341404), (548, 302155), (623, 265780), (679, 243860), (685, 241724), (890, 186046), (959, 172660), (970, 170702), (1246, 132890), (1358, 121930), (1370, 120862), (1780, 93023), (1918, 86330), (1940, 85351), (2492, 66445), (2716, 60965), (2740, 60431), (3115, 53156), (3395, 48772), (3836, 43165), (4795, 34532), (6230, 26578), (6790, 24386), (8633, 19180), (9590, 17266), (12193, 13580), (12460, 13289)]