2548280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 6912000

約数和(自身を除く): 4363720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 479, 532, 665, 760, 958, 1064, 1330, 1916, 2395, 2660, 3353, 3832, 4790, 5320, 6706, 9101, 9580, 13412, 16765, 18202, 19160, 26824, 33530, 36404, 45505, 63707, 67060, 72808, 91010, 127414, 134120, 182020, 254828, 318535, 364040, 509656, 637070, 1274140, 2548280]

約数ペア:

[(1, 2548280), (2, 1274140), (4, 637070), (5, 509656), (7, 364040), (8, 318535), (10, 254828), (14, 182020), (19, 134120), (20, 127414), (28, 91010), (35, 72808), (38, 67060), (40, 63707), (56, 45505), (70, 36404), (76, 33530), (95, 26824), (133, 19160), (140, 18202), (152, 16765), (190, 13412), (266, 9580), (280, 9101), (380, 6706), (479, 5320), (532, 4790), (665, 3832), (760, 3353), (958, 2660), (1064, 2395), (1330, 1916)]