121120020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1110

約数の個数: 144

約数和(自身を含む): 424639488

約数和(自身を除く): 303519468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 679, 873, 970, 991, 1164, 1260, 1358, 1455, 1746, 1940, 1982, 2037, 2716, 2910, 2973, 3395, 3492, 3964, 4074, 4365, 4955, 5820, 5946, 6111, 6790, 6937, 8148, 8730, 8919, 9910, 10185, 11892, 12222, 13580, 13874, 14865, 17460, 17838, 19820, 20370, 20811, 24444, 27748, 29730, 30555, 34685, 35676, 40740, 41622, 44595, 59460, 61110, 62433, 69370, 83244, 89190, 96127, 104055, 122220, 124866, 138740, 178380, 192254, 208110, 249732, 288381, 312165, 384508, 416220, 480635, 576762, 624330, 672889, 865143, 961270, 1153524, 1248660, 1345778, 1441905, 1730286, 1922540, 2018667, 2691556, 2883810, 3364445, 3460572, 4037334, 4325715, 5767620, 6056001, 6728890, 8074668, 8651430, 10093335, 12112002, 13457780, 17302860, 20186670, 24224004, 30280005, 40373340, 60560010, 121120020]

約数ペア:

[(1, 121120020), (2, 60560010), (3, 40373340), (4, 30280005), (5, 24224004), (6, 20186670), (7, 17302860), (9, 13457780), (10, 12112002), (12, 10093335), (14, 8651430), (15, 8074668), (18, 6728890), (20, 6056001), (21, 5767620), (28, 4325715), (30, 4037334), (35, 3460572), (36, 3364445), (42, 2883810), (45, 2691556), (60, 2018667), (63, 1922540), (70, 1730286), (84, 1441905), (90, 1345778), (97, 1248660), (105, 1153524), (126, 961270), (140, 865143), (180, 672889), (194, 624330), (210, 576762), (252, 480635), (291, 416220), (315, 384508), (388, 312165), (420, 288381), (485, 249732), (582, 208110), (630, 192254), (679, 178380), (873, 138740), (970, 124866), (991, 122220), (1164, 104055), (1260, 96127), (1358, 89190), (1455, 83244), (1746, 69370), (1940, 62433), (1982, 61110), (2037, 59460), (2716, 44595), (2910, 41622), (2973, 40740), (3395, 35676), (3492, 34685), (3964, 30555), (4074, 29730), (4365, 27748), (4955, 24444), (5820, 20811), (5946, 20370), (6111, 19820), (6790, 17838), (6937, 17460), (8148, 14865), (8730, 13874), (8919, 13580), (9910, 12222), (10185, 11892)]