128643420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4349}}^1$

素因数の和:4407

約数の個数: 96

約数和(自身を含む): 394632000

約数和(自身を除く): 265988580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 870, 986, 1020, 1479, 1740, 1972, 2465, 2958, 4349, 4930, 5916, 7395, 8698, 9860, 13047, 14790, 17396, 21745, 26094, 29580, 43490, 52188, 65235, 73933, 86980, 126121, 130470, 147866, 221799, 252242, 260940, 295732, 369665, 378363, 443598, 504484, 630605, 739330, 756726, 887196, 1108995, 1261210, 1478660, 1513452, 1891815, 2144057, 2217990, 2522420, 3783630, 4288114, 4435980, 6432171, 7567260, 8576228, 10720285, 12864342, 21440570, 25728684, 32160855, 42881140, 64321710, 128643420]

約数ペア:

[(1, 128643420), (2, 64321710), (3, 42881140), (4, 32160855), (5, 25728684), (6, 21440570), (10, 12864342), (12, 10720285), (15, 8576228), (17, 7567260), (20, 6432171), (29, 4435980), (30, 4288114), (34, 3783630), (51, 2522420), (58, 2217990), (60, 2144057), (68, 1891815), (85, 1513452), (87, 1478660), (102, 1261210), (116, 1108995), (145, 887196), (170, 756726), (174, 739330), (204, 630605), (255, 504484), (290, 443598), (340, 378363), (348, 369665), (435, 295732), (493, 260940), (510, 252242), (580, 221799), (870, 147866), (986, 130470), (1020, 126121), (1479, 86980), (1740, 73933), (1972, 65235), (2465, 52188), (2958, 43490), (4349, 29580), (4930, 26094), (5916, 21745), (7395, 17396), (8698, 14790), (9860, 13047)]