2503620

素因数分解:

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

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 8683584

約数和(自身を除く): 6179964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1987, 3974, 5961, 7948, 9935, 11922, 13909, 17883, 19870, 23844, 27818, 29805, 35766, 39740, 41727, 55636, 59610, 69545, 71532, 83454, 89415, 119220, 125181, 139090, 166908, 178830, 208635, 250362, 278180, 357660, 417270, 500724, 625905, 834540, 1251810, 2503620]

約数ペア:

[(1, 2503620), (2, 1251810), (3, 834540), (4, 625905), (5, 500724), (6, 417270), (7, 357660), (9, 278180), (10, 250362), (12, 208635), (14, 178830), (15, 166908), (18, 139090), (20, 125181), (21, 119220), (28, 89415), (30, 83454), (35, 71532), (36, 69545), (42, 59610), (45, 55636), (60, 41727), (63, 39740), (70, 35766), (84, 29805), (90, 27818), (105, 23844), (126, 19870), (140, 17883), (180, 13909), (210, 11922), (252, 9935), (315, 7948), (420, 5961), (630, 3974), (1260, 1987)]