990138816

素因数分解:

$2^6\times 3^4\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:904

約数の個数: 140

約数和(自身を含む): 2948619960

約数和(自身を除く): 1958481144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 389, 432, 491, 576, 648, 778, 864, 982, 1167, 1296, 1473, 1556, 1728, 1964, 2334, 2592, 2946, 3112, 3501, 3928, 4419, 4668, 5184, 5892, 6224, 7002, 7856, 8838, 9336, 10503, 11784, 12448, 13257, 14004, 15712, 17676, 18672, 21006, 23568, 24896, 26514, 28008, 31424, 31509, 35352, 37344, 39771, 42012, 47136, 53028, 56016, 63018, 70704, 74688, 79542, 84024, 94272, 106056, 112032, 126036, 141408, 159084, 168048, 190999, 212112, 224064, 252072, 282816, 318168, 336096, 381998, 424224, 504144, 572997, 636336, 672192, 763996, 848448, 1008288, 1145994, 1272672, 1527992, 1718991, 2016576, 2291988, 2545344, 3055984, 3437982, 4583976, 5156973, 6111968, 6875964, 9167952, 10313946, 12223936, 13751928, 15470919, 18335904, 20627892, 27503856, 30941838, 36671808, 41255784, 55007712, 61883676, 82511568, 110015424, 123767352, 165023136, 247534704, 330046272, 495069408, 990138816]

約数ペア:

[(1, 990138816), (2, 495069408), (3, 330046272), (4, 247534704), (6, 165023136), (8, 123767352), (9, 110015424), (12, 82511568), (16, 61883676), (18, 55007712), (24, 41255784), (27, 36671808), (32, 30941838), (36, 27503856), (48, 20627892), (54, 18335904), (64, 15470919), (72, 13751928), (81, 12223936), (96, 10313946), (108, 9167952), (144, 6875964), (162, 6111968), (192, 5156973), (216, 4583976), (288, 3437982), (324, 3055984), (389, 2545344), (432, 2291988), (491, 2016576), (576, 1718991), (648, 1527992), (778, 1272672), (864, 1145994), (982, 1008288), (1167, 848448), (1296, 763996), (1473, 672192), (1556, 636336), (1728, 572997), (1964, 504144), (2334, 424224), (2592, 381998), (2946, 336096), (3112, 318168), (3501, 282816), (3928, 252072), (4419, 224064), (4668, 212112), (5184, 190999), (5892, 168048), (6224, 159084), (7002, 141408), (7856, 126036), (8838, 112032), (9336, 106056), (10503, 94272), (11784, 84024), (12448, 79542), (13257, 74688), (14004, 70704), (15712, 63018), (17676, 56016), (18672, 53028), (21006, 47136), (23568, 42012), (24896, 39771), (26514, 37344), (28008, 35352), (31424, 31509)]