12778640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 35771520

約数和(自身を除く): 22992880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1201, 1330, 1520, 2128, 2402, 2660, 4804, 5320, 6005, 8407, 9608, 10640, 12010, 16814, 19216, 22819, 24020, 33628, 42035, 45638, 48040, 67256, 84070, 91276, 96080, 114095, 134512, 159733, 168140, 182552, 228190, 319466, 336280, 365104, 456380, 638932, 672560, 798665, 912760, 1277864, 1597330, 1825520, 2555728, 3194660, 6389320, 12778640]

約数ペア:

[(1, 12778640), (2, 6389320), (4, 3194660), (5, 2555728), (7, 1825520), (8, 1597330), (10, 1277864), (14, 912760), (16, 798665), (19, 672560), (20, 638932), (28, 456380), (35, 365104), (38, 336280), (40, 319466), (56, 228190), (70, 182552), (76, 168140), (80, 159733), (95, 134512), (112, 114095), (133, 96080), (140, 91276), (152, 84070), (190, 67256), (266, 48040), (280, 45638), (304, 42035), (380, 33628), (532, 24020), (560, 22819), (665, 19216), (760, 16814), (1064, 12010), (1201, 10640), (1330, 9608), (1520, 8407), (2128, 6005), (2402, 5320), (2660, 4804)]