15789456

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 48360000

約数和(自身を除く): 32570544

約数列:

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

約数ペア:

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