268510620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639311}}^1$

素因数の和:639330

約数の個数: 48

約数和(自身を含む): 859235328

約数和(自身を除く): 590724708

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, 639311, 1278622, 1917933, 2557244, 3196555, 3835866, 4475177, 6393110, 7671732, 8950354, 9589665, 12786220, 13425531, 17900708, 19179330, 22375885, 26851062, 38358660, 44751770, 53702124, 67127655, 89503540, 134255310, 268510620]

約数ペア:

[(1, 268510620), (2, 134255310), (3, 89503540), (4, 67127655), (5, 53702124), (6, 44751770), (7, 38358660), (10, 26851062), (12, 22375885), (14, 19179330), (15, 17900708), (20, 13425531), (21, 12786220), (28, 9589665), (30, 8950354), (35, 7671732), (42, 6393110), (60, 4475177), (70, 3835866), (84, 3196555), (105, 2557244), (140, 1917933), (210, 1278622), (420, 639311)]