68249580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162499}}^1$

素因数の和:162518

約数の個数: 48

約数和(自身を含む): 218400000

約数和(自身を除く): 150150420

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, 162499, 324998, 487497, 649996, 812495, 974994, 1137493, 1624990, 1949988, 2274986, 2437485, 3249980, 3412479, 4549972, 4874970, 5687465, 6824958, 9749940, 11374930, 13649916, 17062395, 22749860, 34124790, 68249580]

約数ペア:

[(1, 68249580), (2, 34124790), (3, 22749860), (4, 17062395), (5, 13649916), (6, 11374930), (7, 9749940), (10, 6824958), (12, 5687465), (14, 4874970), (15, 4549972), (20, 3412479), (21, 3249980), (28, 2437485), (30, 2274986), (35, 1949988), (42, 1624990), (60, 1137493), (70, 974994), (84, 812495), (105, 649996), (140, 487497), (210, 324998), (420, 162499)]