675780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 2163840

約数和(自身を除く): 1488060

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, 1609, 3218, 4827, 6436, 8045, 9654, 11263, 16090, 19308, 22526, 24135, 32180, 33789, 45052, 48270, 56315, 67578, 96540, 112630, 135156, 168945, 225260, 337890, 675780]

約数ペア:

[(1, 675780), (2, 337890), (3, 225260), (4, 168945), (5, 135156), (6, 112630), (7, 96540), (10, 67578), (12, 56315), (14, 48270), (15, 45052), (20, 33789), (21, 32180), (28, 24135), (30, 22526), (35, 19308), (42, 16090), (60, 11263), (70, 9654), (84, 8045), (105, 6436), (140, 4827), (210, 3218), (420, 1609)]