81069120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:890

約数の個数: 224

約数和(自身を含む): 312359040

約数和(自身を除く): 231289920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 576, 594, 660, 704, 720, 792, 853, 864, 880, 960, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1706, 1728, 1760, 1980, 2112, 2160, 2376, 2559, 2640, 2880, 2970, 3168, 3412, 3520, 3960, 4265, 4320, 4752, 5118, 5280, 5940, 6336, 6824, 7677, 7920, 8530, 8640, 9383, 9504, 10236, 10560, 11880, 12795, 13648, 15354, 15840, 17060, 18766, 19008, 20472, 23031, 23760, 25590, 27296, 28149, 30708, 31680, 34120, 37532, 38385, 40944, 46062, 46915, 47520, 51180, 54592, 56298, 61416, 68240, 75064, 76770, 81888, 84447, 92124, 93830, 95040, 102360, 112596, 115155, 122832, 136480, 140745, 150128, 153540, 163776, 168894, 184248, 187660, 204720, 225192, 230310, 245664, 253341, 272960, 281490, 300256, 307080, 337788, 368496, 375320, 409440, 422235, 450384, 460620, 491328, 506682, 562980, 600512, 614160, 675576, 736992, 750640, 818880, 844470, 900768, 921240, 1013364, 1125960, 1228320, 1266705, 1351152, 1473984, 1501280, 1688940, 1801536, 1842480, 2026728, 2251920, 2456640, 2533410, 2702304, 3002560, 3377880, 3684960, 4053456, 4503840, 5066820, 5404608, 6755760, 7369920, 8106912, 9007680, 10133640, 13511520, 16213824, 20267280, 27023040, 40534560, 81069120]

約数ペア:

[(1, 81069120), (2, 40534560), (3, 27023040), (4, 20267280), (5, 16213824), (6, 13511520), (8, 10133640), (9, 9007680), (10, 8106912), (11, 7369920), (12, 6755760), (15, 5404608), (16, 5066820), (18, 4503840), (20, 4053456), (22, 3684960), (24, 3377880), (27, 3002560), (30, 2702304), (32, 2533410), (33, 2456640), (36, 2251920), (40, 2026728), (44, 1842480), (45, 1801536), (48, 1688940), (54, 1501280), (55, 1473984), (60, 1351152), (64, 1266705), (66, 1228320), (72, 1125960), (80, 1013364), (88, 921240), (90, 900768), (96, 844470), (99, 818880), (108, 750640), (110, 736992), (120, 675576), (132, 614160), (135, 600512), (144, 562980), (160, 506682), (165, 491328), (176, 460620), (180, 450384), (192, 422235), (198, 409440), (216, 375320), (220, 368496), (240, 337788), (264, 307080), (270, 300256), (288, 281490), (297, 272960), (320, 253341), (330, 245664), (352, 230310), (360, 225192), (396, 204720), (432, 187660), (440, 184248), (480, 168894), (495, 163776), (528, 153540), (540, 150128), (576, 140745), (594, 136480), (660, 122832), (704, 115155), (720, 112596), (792, 102360), (853, 95040), (864, 93830), (880, 92124), (960, 84447), (990, 81888), (1056, 76770), (1080, 75064), (1188, 68240), (1320, 61416), (1440, 56298), (1485, 54592), (1584, 51180), (1706, 47520), (1728, 46915), (1760, 46062), (1980, 40944), (2112, 38385), (2160, 37532), (2376, 34120), (2559, 31680), (2640, 30708), (2880, 28149), (2970, 27296), (3168, 25590), (3412, 23760), (3520, 23031), (3960, 20472), (4265, 19008), (4320, 18766), (4752, 17060), (5118, 15840), (5280, 15354), (5940, 13648), (6336, 12795), (6824, 11880), (7677, 10560), (7920, 10236), (8530, 9504), (8640, 9383)]