68418420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162901}}^1$

素因数の和:162920

約数の個数: 48

約数和(自身を含む): 218940288

約数和(自身を除く): 150521868

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, 162901, 325802, 488703, 651604, 814505, 977406, 1140307, 1629010, 1954812, 2280614, 2443515, 3258020, 3420921, 4561228, 4887030, 5701535, 6841842, 9774060, 11403070, 13683684, 17104605, 22806140, 34209210, 68418420]

約数ペア:

[(1, 68418420), (2, 34209210), (3, 22806140), (4, 17104605), (5, 13683684), (6, 11403070), (7, 9774060), (10, 6841842), (12, 5701535), (14, 4887030), (15, 4561228), (20, 3420921), (21, 3258020), (28, 2443515), (30, 2280614), (35, 1954812), (42, 1629010), (60, 1140307), (70, 977406), (84, 814505), (105, 651604), (140, 488703), (210, 325802), (420, 162901)]