66157980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157519}}^1$

素因数の和:157538

約数の個数: 48

約数和(自身を含む): 211706880

約数和(自身を除く): 145548900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 157519, 315038, 472557, 630076, 787595, 945114, 1102633, 1575190, 1890228, 2205266, 2362785, 3150380, 3307899, 4410532, 4725570, 5513165, 6615798, 9451140, 11026330, 13231596, 16539495, 22052660, 33078990, 66157980]

約数ペア:

[(1, 66157980), (2, 33078990), (3, 22052660), (4, 16539495), (5, 13231596), (6, 11026330), (7, 9451140), (10, 6615798), (12, 5513165), (14, 4725570), (15, 4410532), (20, 3307899), (21, 3150380), (28, 2362785), (30, 2205266), (35, 1890228), (42, 1575190), (60, 1102633), (70, 945114), (84, 787595), (105, 630076), (140, 472557), (210, 315038), (420, 157519)]