31578912

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 98280000

約数和(自身を除く): 66701088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 32, 36, 38, 48, 57, 58, 72, 76, 87, 96, 114, 116, 144, 152, 171, 174, 199, 228, 232, 261, 288, 304, 342, 348, 398, 456, 464, 522, 551, 597, 608, 684, 696, 796, 912, 928, 1044, 1102, 1194, 1368, 1392, 1592, 1653, 1791, 1824, 2088, 2204, 2388, 2736, 2784, 3184, 3306, 3582, 3781, 4176, 4408, 4776, 4959, 5472, 5771, 6368, 6612, 7164, 7562, 8352, 8816, 9552, 9918, 11343, 11542, 13224, 14328, 15124, 17313, 17632, 19104, 19836, 22686, 23084, 26448, 28656, 30248, 34029, 34626, 39672, 45372, 46168, 51939, 52896, 57312, 60496, 68058, 69252, 79344, 90744, 92336, 103878, 109649, 120992, 136116, 138504, 158688, 181488, 184672, 207756, 219298, 272232, 277008, 328947, 362976, 415512, 438596, 544464, 554016, 657894, 831024, 877192, 986841, 1088928, 1315788, 1662048, 1754384, 1973682, 2631576, 3508768, 3947364, 5263152, 7894728, 10526304, 15789456, 31578912]

約数ペア:

[(1, 31578912), (2, 15789456), (3, 10526304), (4, 7894728), (6, 5263152), (8, 3947364), (9, 3508768), (12, 2631576), (16, 1973682), (18, 1754384), (19, 1662048), (24, 1315788), (29, 1088928), (32, 986841), (36, 877192), (38, 831024), (48, 657894), (57, 554016), (58, 544464), (72, 438596), (76, 415512), (87, 362976), (96, 328947), (114, 277008), (116, 272232), (144, 219298), (152, 207756), (171, 184672), (174, 181488), (199, 158688), (228, 138504), (232, 136116), (261, 120992), (288, 109649), (304, 103878), (342, 92336), (348, 90744), (398, 79344), (456, 69252), (464, 68058), (522, 60496), (551, 57312), (597, 52896), (608, 51939), (684, 46168), (696, 45372), (796, 39672), (912, 34626), (928, 34029), (1044, 30248), (1102, 28656), (1194, 26448), (1368, 23084), (1392, 22686), (1592, 19836), (1653, 19104), (1791, 17632), (1824, 17313), (2088, 15124), (2204, 14328), (2388, 13224), (2736, 11542), (2784, 11343), (3184, 9918), (3306, 9552), (3582, 8816), (3781, 8352), (4176, 7562), (4408, 7164), (4776, 6612), (4959, 6368), (5472, 5771)]