1669080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 5725440

約数和(自身を除く): 4056360

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, 1987, 3974, 5961, 7948, 9935, 11922, 13909, 15896, 19870, 23844, 27818, 29805, 39740, 41727, 47688, 55636, 59610, 69545, 79480, 83454, 111272, 119220, 139090, 166908, 208635, 238440, 278180, 333816, 417270, 556360, 834540, 1669080]

約数ペア:

[(1, 1669080), (2, 834540), (3, 556360), (4, 417270), (5, 333816), (6, 278180), (7, 238440), (8, 208635), (10, 166908), (12, 139090), (14, 119220), (15, 111272), (20, 83454), (21, 79480), (24, 69545), (28, 59610), (30, 55636), (35, 47688), (40, 41727), (42, 39740), (56, 29805), (60, 27818), (70, 23844), (84, 19870), (105, 15896), (120, 13909), (140, 11922), (168, 9935), (210, 7948), (280, 5961), (420, 3974), (840, 1987)]