81841728

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 112

約数和(自身を含む): 231745536

約数和(自身を除く): 149903808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 64, 69, 86, 92, 96, 129, 138, 172, 184, 192, 258, 276, 344, 368, 431, 516, 552, 688, 736, 862, 989, 1032, 1104, 1293, 1376, 1472, 1724, 1978, 2064, 2208, 2586, 2752, 2967, 3448, 3956, 4128, 4416, 5172, 5934, 6896, 7912, 8256, 9913, 10344, 11868, 13792, 15824, 18533, 19826, 20688, 23736, 27584, 29739, 31648, 37066, 39652, 41376, 47472, 55599, 59478, 63296, 74132, 79304, 82752, 94944, 111198, 118956, 148264, 158608, 189888, 222396, 237912, 296528, 317216, 426259, 444792, 475824, 593056, 634432, 852518, 889584, 951648, 1186112, 1278777, 1705036, 1779168, 1903296, 2557554, 3410072, 3558336, 5115108, 6820144, 10230216, 13640288, 20460432, 27280576, 40920864, 81841728]

約数ペア:

[(1, 81841728), (2, 40920864), (3, 27280576), (4, 20460432), (6, 13640288), (8, 10230216), (12, 6820144), (16, 5115108), (23, 3558336), (24, 3410072), (32, 2557554), (43, 1903296), (46, 1779168), (48, 1705036), (64, 1278777), (69, 1186112), (86, 951648), (92, 889584), (96, 852518), (129, 634432), (138, 593056), (172, 475824), (184, 444792), (192, 426259), (258, 317216), (276, 296528), (344, 237912), (368, 222396), (431, 189888), (516, 158608), (552, 148264), (688, 118956), (736, 111198), (862, 94944), (989, 82752), (1032, 79304), (1104, 74132), (1293, 63296), (1376, 59478), (1472, 55599), (1724, 47472), (1978, 41376), (2064, 39652), (2208, 37066), (2586, 31648), (2752, 29739), (2967, 27584), (3448, 23736), (3956, 20688), (4128, 19826), (4416, 18533), (5172, 15824), (5934, 13792), (6896, 11868), (7912, 10344), (8256, 9913)]