51331980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122219}}^1$

素因数の和:122238

約数の個数: 48

約数和(自身を含む): 164263680

約数和(自身を除く): 112931700

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, 122219, 244438, 366657, 488876, 611095, 733314, 855533, 1222190, 1466628, 1711066, 1833285, 2444380, 2566599, 3422132, 3666570, 4277665, 5133198, 7333140, 8555330, 10266396, 12832995, 17110660, 25665990, 51331980]

約数ペア:

[(1, 51331980), (2, 25665990), (3, 17110660), (4, 12832995), (5, 10266396), (6, 8555330), (7, 7333140), (10, 5133198), (12, 4277665), (14, 3666570), (15, 3422132), (20, 2566599), (21, 2444380), (28, 1833285), (30, 1711066), (35, 1466628), (42, 1222190), (60, 855533), (70, 733314), (84, 611095), (105, 488876), (140, 366657), (210, 244438), (420, 122219)]