81845456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2200

約数の個数: 80

約数和(自身を含む): 204177408

約数和(自身を除く): 122331952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2143, 2387, 2728, 3472, 4286, 4774, 5456, 8572, 9548, 15001, 17144, 19096, 23573, 30002, 34288, 38192, 47146, 60004, 66433, 94292, 120008, 132866, 165011, 188584, 240016, 265732, 330022, 377168, 465031, 531464, 660044, 730763, 930062, 1062928, 1320088, 1461526, 1860124, 2640176, 2923052, 3720248, 5115341, 5846104, 7440496, 10230682, 11692208, 20461364, 40922728, 81845456]

約数ペア:

[(1, 81845456), (2, 40922728), (4, 20461364), (7, 11692208), (8, 10230682), (11, 7440496), (14, 5846104), (16, 5115341), (22, 3720248), (28, 2923052), (31, 2640176), (44, 1860124), (56, 1461526), (62, 1320088), (77, 1062928), (88, 930062), (112, 730763), (124, 660044), (154, 531464), (176, 465031), (217, 377168), (248, 330022), (308, 265732), (341, 240016), (434, 188584), (496, 165011), (616, 132866), (682, 120008), (868, 94292), (1232, 66433), (1364, 60004), (1736, 47146), (2143, 38192), (2387, 34288), (2728, 30002), (3472, 23573), (4286, 19096), (4774, 17144), (5456, 15001), (8572, 9548)]