8781080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2880

約数の個数: 64

約数和(自身を含む): 24641280

約数和(自身を除く): 15860200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 2851, 3080, 5702, 11404, 14255, 19957, 22808, 28510, 31361, 39914, 57020, 62722, 79828, 99785, 114040, 125444, 156805, 159656, 199570, 219527, 250888, 313610, 399140, 439054, 627220, 798280, 878108, 1097635, 1254440, 1756216, 2195270, 4390540, 8781080]

約数ペア:

[(1, 8781080), (2, 4390540), (4, 2195270), (5, 1756216), (7, 1254440), (8, 1097635), (10, 878108), (11, 798280), (14, 627220), (20, 439054), (22, 399140), (28, 313610), (35, 250888), (40, 219527), (44, 199570), (55, 159656), (56, 156805), (70, 125444), (77, 114040), (88, 99785), (110, 79828), (140, 62722), (154, 57020), (220, 39914), (280, 31361), (308, 28510), (385, 22808), (440, 19957), (616, 14255), (770, 11404), (1540, 5702), (2851, 3080)]