68420940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162907}}^1$

素因数の和:162926

約数の個数: 48

約数和(自身を含む): 218948352

約数和(自身を除く): 150527412

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, 162907, 325814, 488721, 651628, 814535, 977442, 1140349, 1629070, 1954884, 2280698, 2443605, 3258140, 3421047, 4561396, 4887210, 5701745, 6842094, 9774420, 11403490, 13684188, 17105235, 22806980, 34210470, 68420940]

約数ペア:

[(1, 68420940), (2, 34210470), (3, 22806980), (4, 17105235), (5, 13684188), (6, 11403490), (7, 9774420), (10, 6842094), (12, 5701745), (14, 4887210), (15, 4561396), (20, 3421047), (21, 3258140), (28, 2443605), (30, 2280698), (35, 1954884), (42, 1629070), (60, 1140349), (70, 977442), (84, 814535), (105, 651628), (140, 488721), (210, 325814), (420, 162907)]