56180460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 185812704

約数和(自身を除く): 129632244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 197, 210, 245, 291, 294, 388, 394, 420, 485, 490, 582, 588, 591, 679, 735, 788, 970, 980, 985, 1164, 1182, 1358, 1379, 1455, 1470, 1940, 1970, 2037, 2364, 2716, 2758, 2910, 2940, 2955, 3395, 3940, 4074, 4137, 4753, 5516, 5820, 5910, 6790, 6895, 8148, 8274, 9506, 9653, 10185, 11820, 13580, 13790, 14259, 16548, 19012, 19109, 19306, 20370, 20685, 23765, 27580, 28518, 28959, 38218, 38612, 40740, 41370, 47530, 48265, 57036, 57327, 57918, 71295, 76436, 82740, 95060, 95545, 96530, 114654, 115836, 133763, 142590, 144795, 191090, 193060, 229308, 267526, 285180, 286635, 289590, 382180, 401289, 535052, 573270, 579180, 668815, 802578, 936341, 1146540, 1337630, 1605156, 1872682, 2006445, 2675260, 2809023, 3745364, 4012890, 4681705, 5618046, 8025780, 9363410, 11236092, 14045115, 18726820, 28090230, 56180460]

約数ペア:

[(1, 56180460), (2, 28090230), (3, 18726820), (4, 14045115), (5, 11236092), (6, 9363410), (7, 8025780), (10, 5618046), (12, 4681705), (14, 4012890), (15, 3745364), (20, 2809023), (21, 2675260), (28, 2006445), (30, 1872682), (35, 1605156), (42, 1337630), (49, 1146540), (60, 936341), (70, 802578), (84, 668815), (97, 579180), (98, 573270), (105, 535052), (140, 401289), (147, 382180), (194, 289590), (196, 286635), (197, 285180), (210, 267526), (245, 229308), (291, 193060), (294, 191090), (388, 144795), (394, 142590), (420, 133763), (485, 115836), (490, 114654), (582, 96530), (588, 95545), (591, 95060), (679, 82740), (735, 76436), (788, 71295), (970, 57918), (980, 57327), (985, 57036), (1164, 48265), (1182, 47530), (1358, 41370), (1379, 40740), (1455, 38612), (1470, 38218), (1940, 28959), (1970, 28518), (2037, 27580), (2364, 23765), (2716, 20685), (2758, 20370), (2910, 19306), (2940, 19109), (2955, 19012), (3395, 16548), (3940, 14259), (4074, 13790), (4137, 13580), (4753, 11820), (5516, 10185), (5820, 9653), (5910, 9506), (6790, 8274), (6895, 8148)]