1271935728

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{180263}}^1$

素因数の和:180291

約数の個数: 90

約数和(自身を含む): 4140844344

約数和(自身を除く): 2868908616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 180263, 360526, 540789, 721052, 1081578, 1261841, 1442104, 1622367, 2163156, 2523682, 2884208, 3244734, 3785523, 4326312, 5047364, 6489468, 7571046, 8652624, 8832887, 10094728, 11356569, 12978936, 15142092, 17665774, 20189456, 22713138, 25957872, 26498661, 30284184, 35331548, 45426276, 52997322, 60568368, 70663096, 79495983, 90852552, 105994644, 141326192, 158991966, 181705104, 211989288, 317983932, 423978576, 635967864, 1271935728]

約数ペア:

[(1, 1271935728), (2, 635967864), (3, 423978576), (4, 317983932), (6, 211989288), (7, 181705104), (8, 158991966), (9, 141326192), (12, 105994644), (14, 90852552), (16, 79495983), (18, 70663096), (21, 60568368), (24, 52997322), (28, 45426276), (36, 35331548), (42, 30284184), (48, 26498661), (49, 25957872), (56, 22713138), (63, 20189456), (72, 17665774), (84, 15142092), (98, 12978936), (112, 11356569), (126, 10094728), (144, 8832887), (147, 8652624), (168, 7571046), (196, 6489468), (252, 5047364), (294, 4326312), (336, 3785523), (392, 3244734), (441, 2884208), (504, 2523682), (588, 2163156), (784, 1622367), (882, 1442104), (1008, 1261841), (1176, 1081578), (1764, 721052), (2352, 540789), (3528, 360526), (7056, 180263)]