164535420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391751}}^1$

素因数の和:391770

約数の個数: 48

約数和(自身を含む): 526514688

約数和(自身を除く): 361979268

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, 391751, 783502, 1175253, 1567004, 1958755, 2350506, 2742257, 3917510, 4701012, 5484514, 5876265, 7835020, 8226771, 10969028, 11752530, 13711285, 16453542, 23505060, 27422570, 32907084, 41133855, 54845140, 82267710, 164535420]

約数ペア:

[(1, 164535420), (2, 82267710), (3, 54845140), (4, 41133855), (5, 32907084), (6, 27422570), (7, 23505060), (10, 16453542), (12, 13711285), (14, 11752530), (15, 10969028), (20, 8226771), (21, 7835020), (28, 5876265), (30, 5484514), (35, 4701012), (42, 3917510), (60, 2742257), (70, 2350506), (84, 1958755), (105, 1567004), (140, 1175253), (210, 783502), (420, 391751)]