1352820

素因数分解:

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

素因数の和:3240

約数の個数: 48

約数和(自身を含む): 4330368

約数和(自身を除く): 2977548

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, 3221, 6442, 9663, 12884, 16105, 19326, 22547, 32210, 38652, 45094, 48315, 64420, 67641, 90188, 96630, 112735, 135282, 193260, 225470, 270564, 338205, 450940, 676410, 1352820]

約数ペア:

[(1, 1352820), (2, 676410), (3, 450940), (4, 338205), (5, 270564), (6, 225470), (7, 193260), (10, 135282), (12, 112735), (14, 96630), (15, 90188), (20, 67641), (21, 64420), (28, 48315), (30, 45094), (35, 38652), (42, 32210), (60, 22547), (70, 19326), (84, 16105), (105, 12884), (140, 9663), (210, 6442), (420, 3221)]