68800620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163811}}^1$

素因数の和:163830

約数の個数: 48

約数和(自身を含む): 220163328

約数和(自身を除く): 151362708

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, 163811, 327622, 491433, 655244, 819055, 982866, 1146677, 1638110, 1965732, 2293354, 2457165, 3276220, 3440031, 4586708, 4914330, 5733385, 6880062, 9828660, 11466770, 13760124, 17200155, 22933540, 34400310, 68800620]

約数ペア:

[(1, 68800620), (2, 34400310), (3, 22933540), (4, 17200155), (5, 13760124), (6, 11466770), (7, 9828660), (10, 6880062), (12, 5733385), (14, 4914330), (15, 4586708), (20, 3440031), (21, 3276220), (28, 2457165), (30, 2293354), (35, 1965732), (42, 1638110), (60, 1146677), (70, 982866), (84, 819055), (105, 655244), (140, 491433), (210, 327622), (420, 163811)]