213561180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{169493}}^1$

素因数の和:169515

約数の個数: 72

約数和(自身を含む): 740349792

約数和(自身を除く): 526788612

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, 169493, 338986, 508479, 677972, 847465, 1016958, 1186451, 1525437, 1694930, 2033916, 2372902, 2542395, 3050874, 3389860, 3559353, 4745804, 5084790, 5932255, 6101748, 7118706, 7627185, 10169580, 10678059, 11864510, 14237412, 15254370, 17796765, 21356118, 23729020, 30508740, 35593530, 42712236, 53390295, 71187060, 106780590, 213561180]

約数ペア:

[(1, 213561180), (2, 106780590), (3, 71187060), (4, 53390295), (5, 42712236), (6, 35593530), (7, 30508740), (9, 23729020), (10, 21356118), (12, 17796765), (14, 15254370), (15, 14237412), (18, 11864510), (20, 10678059), (21, 10169580), (28, 7627185), (30, 7118706), (35, 6101748), (36, 5932255), (42, 5084790), (45, 4745804), (60, 3559353), (63, 3389860), (70, 3050874), (84, 2542395), (90, 2372902), (105, 2033916), (126, 1694930), (140, 1525437), (180, 1186451), (210, 1016958), (252, 847465), (315, 677972), (420, 508479), (630, 338986), (1260, 169493)]