8261960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 22377600

約数和(自身を除く): 14115640

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, 266, 280, 380, 532, 665, 760, 1064, 1330, 1553, 2660, 3106, 5320, 6212, 7765, 10871, 12424, 15530, 21742, 29507, 31060, 43484, 54355, 59014, 62120, 86968, 108710, 118028, 147535, 206549, 217420, 236056, 295070, 413098, 434840, 590140, 826196, 1032745, 1180280, 1652392, 2065490, 4130980, 8261960]

約数ペア:

[(1, 8261960), (2, 4130980), (4, 2065490), (5, 1652392), (7, 1180280), (8, 1032745), (10, 826196), (14, 590140), (19, 434840), (20, 413098), (28, 295070), (35, 236056), (38, 217420), (40, 206549), (56, 147535), (70, 118028), (76, 108710), (95, 86968), (133, 62120), (140, 59014), (152, 54355), (190, 43484), (266, 31060), (280, 29507), (380, 21742), (532, 15530), (665, 12424), (760, 10871), (1064, 7765), (1330, 6212), (1553, 5320), (2660, 3106)]