1282120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 3484800

約数和(自身を除く): 2202680

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, 241, 266, 280, 380, 482, 532, 665, 760, 964, 1064, 1205, 1330, 1687, 1928, 2410, 2660, 3374, 4579, 4820, 5320, 6748, 8435, 9158, 9640, 13496, 16870, 18316, 22895, 32053, 33740, 36632, 45790, 64106, 67480, 91580, 128212, 160265, 183160, 256424, 320530, 641060, 1282120]

約数ペア:

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