8221080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{9787}}^1$

素因数の和:9808

約数の個数: 64

約数和(自身を含む): 28189440

約数和(自身を除く): 19968360

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, 9787, 19574, 29361, 39148, 48935, 58722, 68509, 78296, 97870, 117444, 137018, 146805, 195740, 205527, 234888, 274036, 293610, 342545, 391480, 411054, 548072, 587220, 685090, 822108, 1027635, 1174440, 1370180, 1644216, 2055270, 2740360, 4110540, 8221080]

約数ペア:

[(1, 8221080), (2, 4110540), (3, 2740360), (4, 2055270), (5, 1644216), (6, 1370180), (7, 1174440), (8, 1027635), (10, 822108), (12, 685090), (14, 587220), (15, 548072), (20, 411054), (21, 391480), (24, 342545), (28, 293610), (30, 274036), (35, 234888), (40, 205527), (42, 195740), (56, 146805), (60, 137018), (70, 117444), (84, 97870), (105, 78296), (120, 68509), (140, 58722), (168, 48935), (210, 39148), (280, 29361), (420, 19574), (840, 9787)]