2705640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3221}}^1$

素因数の和:3242

約数の個数: 64

約数和(自身を含む): 9279360

約数和(自身を除く): 6573720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 3221, 6442, 9663, 12884, 16105, 19326, 22547, 25768, 32210, 38652, 45094, 48315, 64420, 67641, 77304, 90188, 96630, 112735, 128840, 135282, 180376, 193260, 225470, 270564, 338205, 386520, 450940, 541128, 676410, 901880, 1352820, 2705640]

約数ペア:

[(1, 2705640), (2, 1352820), (3, 901880), (4, 676410), (5, 541128), (6, 450940), (7, 386520), (8, 338205), (10, 270564), (12, 225470), (14, 193260), (15, 180376), (20, 135282), (21, 128840), (24, 112735), (28, 96630), (30, 90188), (35, 77304), (40, 67641), (42, 64420), (56, 48315), (60, 45094), (70, 38652), (84, 32210), (105, 25768), (120, 22547), (140, 19326), (168, 16105), (210, 12884), (280, 9663), (420, 6442), (840, 3221)]