1968915520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2589

約数の個数: 224

約数和(自身を含む): 5834457216

約数和(自身を除く): 3865541696

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 64, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 160, 170, 176, 187, 208, 220, 221, 260, 272, 286, 320, 340, 352, 374, 416, 440, 442, 520, 544, 572, 680, 704, 715, 748, 832, 880, 884, 935, 1040, 1088, 1105, 1144, 1360, 1430, 1496, 1760, 1768, 1870, 2080, 2210, 2288, 2431, 2531, 2720, 2860, 2992, 3520, 3536, 3740, 4160, 4420, 4576, 4862, 5062, 5440, 5720, 5984, 7072, 7480, 8840, 9152, 9724, 10124, 11440, 11968, 12155, 12655, 14144, 14960, 17680, 19448, 20248, 22880, 24310, 25310, 27841, 29920, 32903, 35360, 38896, 40496, 43027, 45760, 48620, 50620, 55682, 59840, 65806, 70720, 77792, 80992, 86054, 97240, 101240, 111364, 131612, 139205, 155584, 161984, 164515, 172108, 194480, 202480, 215135, 222728, 263224, 278410, 329030, 344216, 361933, 388960, 404960, 430270, 445456, 473297, 526448, 556820, 559351, 658060, 688432, 723866, 777920, 809920, 860540, 890912, 946594, 1052896, 1113640, 1118702, 1316120, 1376864, 1447732, 1721080, 1781824, 1809665, 1893188, 2105792, 2227280, 2237404, 2366485, 2632240, 2753728, 2796755, 2895464, 3442160, 3619330, 3786376, 4454560, 4474808, 4732970, 5264480, 5593510, 5790928, 6152861, 6884320, 7238660, 7572752, 8909120, 8949616, 9465940, 10528960, 11187020, 11581856, 12305722, 13768640, 14477320, 15145504, 17899232, 18931880, 22374040, 23163712, 24611444, 28954640, 30291008, 30764305, 35798464, 37863760, 44748080, 49222888, 57909280, 61528610, 75727520, 89496160, 98445776, 115818560, 123057220, 151455040, 178992320, 196891552, 246114440, 393783104, 492228880, 984457760, 1968915520]

約数ペア:

[(1, 1968915520), (2, 984457760), (4, 492228880), (5, 393783104), (8, 246114440), (10, 196891552), (11, 178992320), (13, 151455040), (16, 123057220), (17, 115818560), (20, 98445776), (22, 89496160), (26, 75727520), (32, 61528610), (34, 57909280), (40, 49222888), (44, 44748080), (52, 37863760), (55, 35798464), (64, 30764305), (65, 30291008), (68, 28954640), (80, 24611444), (85, 23163712), (88, 22374040), (104, 18931880), (110, 17899232), (130, 15145504), (136, 14477320), (143, 13768640), (160, 12305722), (170, 11581856), (176, 11187020), (187, 10528960), (208, 9465940), (220, 8949616), (221, 8909120), (260, 7572752), (272, 7238660), (286, 6884320), (320, 6152861), (340, 5790928), (352, 5593510), (374, 5264480), (416, 4732970), (440, 4474808), (442, 4454560), (520, 3786376), (544, 3619330), (572, 3442160), (680, 2895464), (704, 2796755), (715, 2753728), (748, 2632240), (832, 2366485), (880, 2237404), (884, 2227280), (935, 2105792), (1040, 1893188), (1088, 1809665), (1105, 1781824), (1144, 1721080), (1360, 1447732), (1430, 1376864), (1496, 1316120), (1760, 1118702), (1768, 1113640), (1870, 1052896), (2080, 946594), (2210, 890912), (2288, 860540), (2431, 809920), (2531, 777920), (2720, 723866), (2860, 688432), (2992, 658060), (3520, 559351), (3536, 556820), (3740, 526448), (4160, 473297), (4420, 445456), (4576, 430270), (4862, 404960), (5062, 388960), (5440, 361933), (5720, 344216), (5984, 329030), (7072, 278410), (7480, 263224), (8840, 222728), (9152, 215135), (9724, 202480), (10124, 194480), (11440, 172108), (11968, 164515), (12155, 161984), (12655, 155584), (14144, 139205), (14960, 131612), (17680, 111364), (19448, 101240), (20248, 97240), (22880, 86054), (24310, 80992), (25310, 77792), (27841, 70720), (29920, 65806), (32903, 59840), (35360, 55682), (38896, 50620), (40496, 48620), (43027, 45760)]