15881448

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1462

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 28470552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1399, 1419, 1892, 2798, 2838, 3784, 4197, 5596, 5676, 8394, 11192, 11352, 15389, 16788, 30778, 33576, 46167, 60157, 61556, 92334, 120314, 123112, 180471, 184668, 240628, 360942, 369336, 481256, 661727, 721884, 1323454, 1443768, 1985181, 2646908, 3970362, 5293816, 7940724, 15881448]

約数ペア:

[(1, 15881448), (2, 7940724), (3, 5293816), (4, 3970362), (6, 2646908), (8, 1985181), (11, 1443768), (12, 1323454), (22, 721884), (24, 661727), (33, 481256), (43, 369336), (44, 360942), (66, 240628), (86, 184668), (88, 180471), (129, 123112), (132, 120314), (172, 92334), (258, 61556), (264, 60157), (344, 46167), (473, 33576), (516, 30778), (946, 16788), (1032, 15389), (1399, 11352), (1419, 11192), (1892, 8394), (2798, 5676), (2838, 5596), (3784, 4197)]