2564240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 7201920

約数和(自身を除く): 4637680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 241, 266, 280, 304, 380, 482, 532, 560, 665, 760, 964, 1064, 1205, 1330, 1520, 1687, 1928, 2128, 2410, 2660, 3374, 3856, 4579, 4820, 5320, 6748, 8435, 9158, 9640, 10640, 13496, 16870, 18316, 19280, 22895, 26992, 32053, 33740, 36632, 45790, 64106, 67480, 73264, 91580, 128212, 134960, 160265, 183160, 256424, 320530, 366320, 512848, 641060, 1282120, 2564240]

約数ペア:

[(1, 2564240), (2, 1282120), (4, 641060), (5, 512848), (7, 366320), (8, 320530), (10, 256424), (14, 183160), (16, 160265), (19, 134960), (20, 128212), (28, 91580), (35, 73264), (38, 67480), (40, 64106), (56, 45790), (70, 36632), (76, 33740), (80, 32053), (95, 26992), (112, 22895), (133, 19280), (140, 18316), (152, 16870), (190, 13496), (241, 10640), (266, 9640), (280, 9158), (304, 8435), (380, 6748), (482, 5320), (532, 4820), (560, 4579), (665, 3856), (760, 3374), (964, 2660), (1064, 2410), (1205, 2128), (1330, 1928), (1520, 1687)]