66507420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158351}}^1$

素因数の和:158370

約数の個数: 48

約数和(自身を含む): 212825088

約数和(自身を除く): 146317668

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, 158351, 316702, 475053, 633404, 791755, 950106, 1108457, 1583510, 1900212, 2216914, 2375265, 3167020, 3325371, 4433828, 4750530, 5542285, 6650742, 9501060, 11084570, 13301484, 16626855, 22169140, 33253710, 66507420]

約数ペア:

[(1, 66507420), (2, 33253710), (3, 22169140), (4, 16626855), (5, 13301484), (6, 11084570), (7, 9501060), (10, 6650742), (12, 5542285), (14, 4750530), (15, 4433828), (20, 3325371), (21, 3167020), (28, 2375265), (30, 2216914), (35, 1900212), (42, 1583510), (60, 1108457), (70, 950106), (84, 791755), (105, 633404), (140, 475053), (210, 316702), (420, 158351)]