51075780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{121609}}^1$

素因数の和:121628

約数の個数: 48

約数和(自身を含む): 163443840

約数和(自身を除く): 112368060

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, 121609, 243218, 364827, 486436, 608045, 729654, 851263, 1216090, 1459308, 1702526, 1824135, 2432180, 2553789, 3405052, 3648270, 4256315, 5107578, 7296540, 8512630, 10215156, 12768945, 17025260, 25537890, 51075780]

約数ペア:

[(1, 51075780), (2, 25537890), (3, 17025260), (4, 12768945), (5, 10215156), (6, 8512630), (7, 7296540), (10, 5107578), (12, 4256315), (14, 3648270), (15, 3405052), (20, 2553789), (21, 2432180), (28, 1824135), (30, 1702526), (35, 1459308), (42, 1216090), (60, 851263), (70, 729654), (84, 608045), (105, 486436), (140, 364827), (210, 243218), (420, 121609)]