681240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{811}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 2338560

約数和(自身を除く): 1657320

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, 811, 840, 1622, 2433, 3244, 4055, 4866, 5677, 6488, 8110, 9732, 11354, 12165, 16220, 17031, 19464, 22708, 24330, 28385, 32440, 34062, 45416, 48660, 56770, 68124, 85155, 97320, 113540, 136248, 170310, 227080, 340620, 681240]

約数ペア:

[(1, 681240), (2, 340620), (3, 227080), (4, 170310), (5, 136248), (6, 113540), (7, 97320), (8, 85155), (10, 68124), (12, 56770), (14, 48660), (15, 45416), (20, 34062), (21, 32440), (24, 28385), (28, 24330), (30, 22708), (35, 19464), (40, 17031), (42, 16220), (56, 12165), (60, 11354), (70, 9732), (84, 8110), (105, 6488), (120, 5677), (140, 4866), (168, 4055), (210, 3244), (280, 2433), (420, 1622), (811, 840)]