131134520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 342144000

約数和(自身を除く): 211009480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 43, 44, 55, 58, 86, 88, 110, 116, 145, 172, 215, 220, 232, 239, 290, 319, 344, 430, 440, 473, 478, 580, 638, 860, 946, 956, 1160, 1195, 1247, 1276, 1595, 1720, 1892, 1912, 2365, 2390, 2494, 2552, 2629, 3190, 3784, 4730, 4780, 4988, 5258, 6235, 6380, 6931, 9460, 9560, 9976, 10277, 10516, 12470, 12760, 13145, 13717, 13862, 18920, 20554, 21032, 24940, 26290, 27434, 27724, 34655, 41108, 49880, 51385, 52580, 54868, 55448, 68585, 69310, 76241, 82216, 102770, 105160, 109736, 113047, 137170, 138620, 152482, 205540, 226094, 274340, 277240, 298033, 304964, 381205, 411080, 452188, 548680, 565235, 596066, 609928, 762410, 904376, 1130470, 1192132, 1490165, 1524820, 2260940, 2384264, 2980330, 3049640, 3278363, 4521880, 5960660, 6556726, 11921320, 13113452, 16391815, 26226904, 32783630, 65567260, 131134520]

約数ペア:

[(1, 131134520), (2, 65567260), (4, 32783630), (5, 26226904), (8, 16391815), (10, 13113452), (11, 11921320), (20, 6556726), (22, 5960660), (29, 4521880), (40, 3278363), (43, 3049640), (44, 2980330), (55, 2384264), (58, 2260940), (86, 1524820), (88, 1490165), (110, 1192132), (116, 1130470), (145, 904376), (172, 762410), (215, 609928), (220, 596066), (232, 565235), (239, 548680), (290, 452188), (319, 411080), (344, 381205), (430, 304964), (440, 298033), (473, 277240), (478, 274340), (580, 226094), (638, 205540), (860, 152482), (946, 138620), (956, 137170), (1160, 113047), (1195, 109736), (1247, 105160), (1276, 102770), (1595, 82216), (1720, 76241), (1892, 69310), (1912, 68585), (2365, 55448), (2390, 54868), (2494, 52580), (2552, 51385), (2629, 49880), (3190, 41108), (3784, 34655), (4730, 27724), (4780, 27434), (4988, 26290), (5258, 24940), (6235, 21032), (6380, 20554), (6931, 18920), (9460, 13862), (9560, 13717), (9976, 13145), (10277, 12760), (10516, 12470)]