168125720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{600449}}^1$

素因数の和:600467

約数の個数: 32

約数和(自身を含む): 432324000

約数和(自身を除く): 264198280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 600449, 1200898, 2401796, 3002245, 4203143, 4803592, 6004490, 8406286, 12008980, 16812572, 21015715, 24017960, 33625144, 42031430, 84062860, 168125720]

約数ペア:

[(1, 168125720), (2, 84062860), (4, 42031430), (5, 33625144), (7, 24017960), (8, 21015715), (10, 16812572), (14, 12008980), (20, 8406286), (28, 6004490), (35, 4803592), (40, 4203143), (56, 3002245), (70, 2401796), (140, 1200898), (280, 600449)]