81163019.000000000

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 459486720

約数和(自身を除く): 304972584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 73, 84, 86, 129, 146, 168, 172, 219, 258, 292, 293, 301, 344, 438, 511, 516, 584, 586, 602, 876, 879, 903, 1022, 1032, 1172, 1204, 1533, 1752, 1758, 1806, 2044, 2051, 2344, 2408, 3066, 3139, 3516, 3612, 4088, 4102, 6132, 6153, 6278, 7032, 7224, 8204, 9417, 12264, 12306, 12556, 12599, 16408, 18834, 21389, 21973, 24612, 25112, 25198, 37668, 37797, 42778, 43946, 49224, 50396, 64167, 65919, 75336, 75594, 85556, 87892, 88193, 100792, 128334, 131838, 149723, 151188, 171112, 175784, 176386, 256668, 263676, 264579, 299446, 302376, 352772, 449169, 513336, 527352, 529158, 598892, 705544, 898338, 919727, 1058316, 1197784, 1796676, 1839454, 2116632, 2759181, 3593352, 3678908, 5518362, 6438089, 7357816, 11036724, 12876178, 19314267, 22073448, 25752356, 38628534, 51504712, 77257068, 154514136]

約数ペア:

[(1, 154514136), (2, 77257068), (3, 51504712), (4, 38628534), (6, 25752356), (7, 22073448), (8, 19314267), (12, 12876178), (14, 11036724), (21, 7357816), (24, 6438089), (28, 5518362), (42, 3678908), (43, 3593352), (56, 2759181), (73, 2116632), (84, 1839454), (86, 1796676), (129, 1197784), (146, 1058316), (168, 919727), (172, 898338), (219, 705544), (258, 598892), (292, 529158), (293, 527352), (301, 513336), (344, 449169), (438, 352772), (511, 302376), (516, 299446), (584, 264579), (586, 263676), (602, 256668), (876, 176386), (879, 175784), (903, 171112), (1022, 151188), (1032, 149723), (1172, 131838), (1204, 128334), (1533, 100792), (1752, 88193), (1758, 87892), (1806, 85556), (2044, 75594), (2051, 75336), (2344, 65919), (2408, 64167), (3066, 50396), (3139, 49224), (3516, 43946), (3612, 42778), (4088, 37797), (4102, 37668), (6132, 25198), (6153, 25112), (6278, 24612), (7032, 21973), (7224, 21389), (8204, 18834), (9417, 16408), (12264, 12599), (12306, 12556)]