1666140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3967}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 5332992

約数和(自身を除く): 3666852

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, 3967, 7934, 11901, 15868, 19835, 23802, 27769, 39670, 47604, 55538, 59505, 79340, 83307, 111076, 119010, 138845, 166614, 238020, 277690, 333228, 416535, 555380, 833070, 1666140]

約数ペア:

[(1, 1666140), (2, 833070), (3, 555380), (4, 416535), (5, 333228), (6, 277690), (7, 238020), (10, 166614), (12, 138845), (14, 119010), (15, 111076), (20, 83307), (21, 79340), (28, 59505), (30, 55538), (35, 47604), (42, 39670), (60, 27769), (70, 23802), (84, 19835), (105, 15868), (140, 11901), (210, 7934), (420, 3967)]