72164660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11171}}^1$

素因数の和:11216

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 96755980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 11171, 22342, 44684, 55855, 111710, 189907, 212249, 223420, 379814, 424498, 759628, 848996, 949535, 1061245, 1899070, 2122490, 3608233, 3798140, 4244980, 7216466, 14432932, 18041165, 36082330, 72164660]

約数ペア:

[(1, 72164660), (2, 36082330), (4, 18041165), (5, 14432932), (10, 7216466), (17, 4244980), (19, 3798140), (20, 3608233), (34, 2122490), (38, 1899070), (68, 1061245), (76, 949535), (85, 848996), (95, 759628), (170, 424498), (190, 379814), (323, 223420), (340, 212249), (380, 189907), (646, 111710), (1292, 55855), (1615, 44684), (3230, 22342), (6460, 11171)]