66943380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{159389}}^1$

素因数の和:159408

約数の個数: 48

約数和(自身を含む): 214220160

約数和(自身を除く): 147276780

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, 159389, 318778, 478167, 637556, 796945, 956334, 1115723, 1593890, 1912668, 2231446, 2390835, 3187780, 3347169, 4462892, 4781670, 5578615, 6694338, 9563340, 11157230, 13388676, 16735845, 22314460, 33471690, 66943380]

約数ペア:

[(1, 66943380), (2, 33471690), (3, 22314460), (4, 16735845), (5, 13388676), (6, 11157230), (7, 9563340), (10, 6694338), (12, 5578615), (14, 4781670), (15, 4462892), (20, 3347169), (21, 3187780), (28, 2390835), (30, 2231446), (35, 1912668), (42, 1593890), (60, 1115723), (70, 956334), (84, 796945), (105, 637556), (140, 478167), (210, 318778), (420, 159389)]