12162780

素因数分解:

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

素因数の和:233

約数の個数: 144

約数和(自身を含む): 43243200

約数和(自身を除く): 31080420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 197, 210, 245, 252, 294, 315, 343, 394, 420, 441, 490, 588, 591, 630, 686, 735, 788, 882, 980, 985, 1029, 1182, 1260, 1372, 1379, 1470, 1715, 1764, 1773, 1970, 2058, 2205, 2364, 2758, 2940, 2955, 3087, 3430, 3546, 3940, 4116, 4137, 4410, 5145, 5516, 5910, 6174, 6860, 6895, 7092, 8274, 8820, 8865, 9653, 10290, 11820, 12348, 12411, 13790, 15435, 16548, 17730, 19306, 20580, 20685, 24822, 27580, 28959, 30870, 35460, 38612, 41370, 48265, 49644, 57918, 61740, 62055, 67571, 82740, 86877, 96530, 115836, 124110, 135142, 144795, 173754, 193060, 202713, 248220, 270284, 289590, 337855, 347508, 405426, 434385, 579180, 608139, 675710, 810852, 868770, 1013565, 1216278, 1351420, 1737540, 2027130, 2432556, 3040695, 4054260, 6081390, 12162780]

約数ペア:

[(1, 12162780), (2, 6081390), (3, 4054260), (4, 3040695), (5, 2432556), (6, 2027130), (7, 1737540), (9, 1351420), (10, 1216278), (12, 1013565), (14, 868770), (15, 810852), (18, 675710), (20, 608139), (21, 579180), (28, 434385), (30, 405426), (35, 347508), (36, 337855), (42, 289590), (45, 270284), (49, 248220), (60, 202713), (63, 193060), (70, 173754), (84, 144795), (90, 135142), (98, 124110), (105, 115836), (126, 96530), (140, 86877), (147, 82740), (180, 67571), (196, 62055), (197, 61740), (210, 57918), (245, 49644), (252, 48265), (294, 41370), (315, 38612), (343, 35460), (394, 30870), (420, 28959), (441, 27580), (490, 24822), (588, 20685), (591, 20580), (630, 19306), (686, 17730), (735, 16548), (788, 15435), (882, 13790), (980, 12411), (985, 12348), (1029, 11820), (1182, 10290), (1260, 9653), (1372, 8865), (1379, 8820), (1470, 8274), (1715, 7092), (1764, 6895), (1773, 6860), (1970, 6174), (2058, 5910), (2205, 5516), (2364, 5145), (2758, 4410), (2940, 4137), (2955, 4116), (3087, 3940), (3430, 3546)]