28401240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33811}}^1$

素因数の和:33832

約数の個数: 64

約数和(自身を含む): 97378560

約数和(自身を除く): 68977320

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, 33811, 67622, 101433, 135244, 169055, 202866, 236677, 270488, 338110, 405732, 473354, 507165, 676220, 710031, 811464, 946708, 1014330, 1183385, 1352440, 1420062, 1893416, 2028660, 2366770, 2840124, 3550155, 4057320, 4733540, 5680248, 7100310, 9467080, 14200620, 28401240]

約数ペア:

[(1, 28401240), (2, 14200620), (3, 9467080), (4, 7100310), (5, 5680248), (6, 4733540), (7, 4057320), (8, 3550155), (10, 2840124), (12, 2366770), (14, 2028660), (15, 1893416), (20, 1420062), (21, 1352440), (24, 1183385), (28, 1014330), (30, 946708), (35, 811464), (40, 710031), (42, 676220), (56, 507165), (60, 473354), (70, 405732), (84, 338110), (105, 270488), (120, 236677), (140, 202866), (168, 169055), (210, 135244), (280, 101433), (420, 67622), (840, 33811)]