1251810

素因数分解:

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

素因数の和:2007

約数の個数: 48

約数和(自身を含む): 3721536

約数和(自身を除く): 2469726

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1987, 3974, 5961, 9935, 11922, 13909, 17883, 19870, 27818, 29805, 35766, 41727, 59610, 69545, 83454, 89415, 125181, 139090, 178830, 208635, 250362, 417270, 625905, 1251810]

約数ペア:

[(1, 1251810), (2, 625905), (3, 417270), (5, 250362), (6, 208635), (7, 178830), (9, 139090), (10, 125181), (14, 89415), (15, 83454), (18, 69545), (21, 59610), (30, 41727), (35, 35766), (42, 29805), (45, 27818), (63, 19870), (70, 17883), (90, 13909), (105, 11922), (126, 9935), (210, 5961), (315, 3974), (630, 1987)]