81817992

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 243302400

約数和(自身を除く): 161484408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 43, 46, 54, 69, 72, 86, 92, 108, 129, 138, 172, 184, 207, 216, 258, 276, 344, 383, 387, 414, 516, 552, 621, 766, 774, 828, 989, 1032, 1149, 1161, 1242, 1532, 1548, 1656, 1978, 2298, 2322, 2484, 2967, 3064, 3096, 3447, 3956, 4596, 4644, 4968, 5934, 6894, 7912, 8809, 8901, 9192, 9288, 10341, 11868, 13788, 16469, 17618, 17802, 20682, 23736, 26427, 26703, 27576, 32938, 35236, 35604, 41364, 49407, 52854, 53406, 65876, 70472, 71208, 79281, 82728, 98814, 105708, 106812, 131752, 148221, 158562, 197628, 211416, 213624, 237843, 296442, 317124, 378787, 395256, 444663, 475686, 592884, 634248, 757574, 889326, 951372, 1136361, 1185768, 1515148, 1778652, 1902744, 2272722, 3030296, 3409083, 3557304, 4545444, 6818166, 9090888, 10227249, 13636332, 20454498, 27272664, 40908996, 81817992]

約数ペア:

[(1, 81817992), (2, 40908996), (3, 27272664), (4, 20454498), (6, 13636332), (8, 10227249), (9, 9090888), (12, 6818166), (18, 4545444), (23, 3557304), (24, 3409083), (27, 3030296), (36, 2272722), (43, 1902744), (46, 1778652), (54, 1515148), (69, 1185768), (72, 1136361), (86, 951372), (92, 889326), (108, 757574), (129, 634248), (138, 592884), (172, 475686), (184, 444663), (207, 395256), (216, 378787), (258, 317124), (276, 296442), (344, 237843), (383, 213624), (387, 211416), (414, 197628), (516, 158562), (552, 148221), (621, 131752), (766, 106812), (774, 105708), (828, 98814), (989, 82728), (1032, 79281), (1149, 71208), (1161, 70472), (1242, 65876), (1532, 53406), (1548, 52854), (1656, 49407), (1978, 41364), (2298, 35604), (2322, 35236), (2484, 32938), (2967, 27576), (3064, 26703), (3096, 26427), (3447, 23736), (3956, 20682), (4596, 17802), (4644, 17618), (4968, 16469), (5934, 13788), (6894, 11868), (7912, 10341), (8809, 9288), (8901, 9192)]