212774220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16649}}^1$

素因数の和:16735

約数の個数: 72

約数和(自身を含む): 654544800

約数和(自身を除く): 441770580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 16649, 33298, 49947, 66596, 83245, 99894, 149841, 166490, 199788, 249735, 299682, 332980, 499470, 599364, 749205, 998940, 1182079, 1498410, 2364158, 2996820, 3546237, 4728316, 5910395, 7092474, 10638711, 11820790, 14184948, 17731185, 21277422, 23641580, 35462370, 42554844, 53193555, 70924740, 106387110, 212774220]

約数ペア:

[(1, 212774220), (2, 106387110), (3, 70924740), (4, 53193555), (5, 42554844), (6, 35462370), (9, 23641580), (10, 21277422), (12, 17731185), (15, 14184948), (18, 11820790), (20, 10638711), (30, 7092474), (36, 5910395), (45, 4728316), (60, 3546237), (71, 2996820), (90, 2364158), (142, 1498410), (180, 1182079), (213, 998940), (284, 749205), (355, 599364), (426, 499470), (639, 332980), (710, 299682), (852, 249735), (1065, 199788), (1278, 166490), (1420, 149841), (2130, 99894), (2556, 83245), (3195, 66596), (4260, 49947), (6390, 33298), (12780, 16649)]