28775220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28211}}^1$

素因数の和:28240

約数の個数: 48

約数和(自身を含む): 85313088

約数和(自身を除く): 56537868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 28211, 56422, 84633, 112844, 141055, 169266, 282110, 338532, 423165, 479587, 564220, 846330, 959174, 1438761, 1692660, 1918348, 2397935, 2877522, 4795870, 5755044, 7193805, 9591740, 14387610, 28775220]

約数ペア:

[(1, 28775220), (2, 14387610), (3, 9591740), (4, 7193805), (5, 5755044), (6, 4795870), (10, 2877522), (12, 2397935), (15, 1918348), (17, 1692660), (20, 1438761), (30, 959174), (34, 846330), (51, 564220), (60, 479587), (68, 423165), (85, 338532), (102, 282110), (170, 169266), (204, 141055), (255, 112844), (340, 84633), (510, 56422), (1020, 28211)]