217436880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1409}}^1$

素因数の和:2068

約数の個数: 80

約数和(自身を含む): 675581760

約数和(自身を除く): 458144880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1409, 1929, 2572, 2818, 3215, 3858, 4227, 5144, 5636, 6430, 7045, 7716, 8454, 9645, 10288, 11272, 12860, 14090, 15432, 16908, 19290, 21135, 22544, 25720, 28180, 30864, 33816, 38580, 42270, 51440, 56360, 67632, 77160, 84540, 112720, 154320, 169080, 338160, 905987, 1811974, 2717961, 3623948, 4529935, 5435922, 7247896, 9059870, 10871844, 13589805, 14495792, 18119740, 21743688, 27179610, 36239480, 43487376, 54359220, 72478960, 108718440, 217436880]

約数ペア:

[(1, 217436880), (2, 108718440), (3, 72478960), (4, 54359220), (5, 43487376), (6, 36239480), (8, 27179610), (10, 21743688), (12, 18119740), (15, 14495792), (16, 13589805), (20, 10871844), (24, 9059870), (30, 7247896), (40, 5435922), (48, 4529935), (60, 3623948), (80, 2717961), (120, 1811974), (240, 905987), (643, 338160), (1286, 169080), (1409, 154320), (1929, 112720), (2572, 84540), (2818, 77160), (3215, 67632), (3858, 56360), (4227, 51440), (5144, 42270), (5636, 38580), (6430, 33816), (7045, 30864), (7716, 28180), (8454, 25720), (9645, 22544), (10288, 21135), (11272, 19290), (12860, 16908), (14090, 15432)]