1287668060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{77291}}^1$

素因数の和:77331

約数の個数: 72

約数和(自身を含む): 3330666864

約数和(自身を除く): 2042998804

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 77291, 154582, 309164, 386455, 541037, 772910, 1082074, 1313947, 1545820, 2164148, 2627894, 2705185, 3787259, 5255788, 5410370, 6569735, 7574518, 9197629, 10820740, 13139470, 15149036, 18395258, 18936295, 26278940, 36790516, 37872590, 45988145, 64383403, 75745180, 91976290, 128766806, 183952580, 257533612, 321917015, 643834030, 1287668060]

約数ペア:

[(1, 1287668060), (2, 643834030), (4, 321917015), (5, 257533612), (7, 183952580), (10, 128766806), (14, 91976290), (17, 75745180), (20, 64383403), (28, 45988145), (34, 37872590), (35, 36790516), (49, 26278940), (68, 18936295), (70, 18395258), (85, 15149036), (98, 13139470), (119, 10820740), (140, 9197629), (170, 7574518), (196, 6569735), (238, 5410370), (245, 5255788), (340, 3787259), (476, 2705185), (490, 2627894), (595, 2164148), (833, 1545820), (980, 1313947), (1190, 1082074), (1666, 772910), (2380, 541037), (3332, 386455), (4165, 309164), (8330, 154582), (16660, 77291)]