166428780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{396259}}^1$

素因数の和:396278

約数の個数: 48

約数和(自身を含む): 532573440

約数和(自身を除く): 366144660

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, 396259, 792518, 1188777, 1585036, 1981295, 2377554, 2773813, 3962590, 4755108, 5547626, 5943885, 7925180, 8321439, 11095252, 11887770, 13869065, 16642878, 23775540, 27738130, 33285756, 41607195, 55476260, 83214390, 166428780]

約数ペア:

[(1, 166428780), (2, 83214390), (3, 55476260), (4, 41607195), (5, 33285756), (6, 27738130), (7, 23775540), (10, 16642878), (12, 13869065), (14, 11887770), (15, 11095252), (20, 8321439), (21, 7925180), (28, 5943885), (30, 5547626), (35, 4755108), (42, 3962590), (60, 2773813), (70, 2377554), (84, 1981295), (105, 1585036), (140, 1188777), (210, 792518), (420, 396259)]