261319680

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 264

約数和(自身を含む): 931172112

約数和(自身を除く): 669852432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 107, 120, 128, 144, 159, 160, 180, 192, 212, 214, 240, 256, 265, 288, 318, 320, 321, 360, 384, 424, 428, 477, 480, 512, 530, 535, 576, 636, 640, 642, 720, 768, 795, 848, 856, 954, 960, 963, 1024, 1060, 1070, 1152, 1272, 1280, 1284, 1440, 1536, 1590, 1605, 1696, 1712, 1908, 1920, 1926, 2120, 2140, 2304, 2385, 2544, 2560, 2568, 2880, 3072, 3180, 3210, 3392, 3424, 3816, 3840, 3852, 4240, 4280, 4608, 4770, 4815, 5088, 5120, 5136, 5671, 5760, 6360, 6420, 6784, 6848, 7632, 7680, 7704, 8480, 8560, 9216, 9540, 9630, 10176, 10272, 11342, 11520, 12720, 12840, 13568, 13696, 15264, 15360, 15408, 16960, 17013, 17120, 19080, 19260, 20352, 20544, 22684, 23040, 25440, 25680, 27136, 27392, 28355, 30528, 30816, 33920, 34026, 34240, 38160, 38520, 40704, 41088, 45368, 46080, 50880, 51039, 51360, 54272, 54784, 56710, 61056, 61632, 67840, 68052, 68480, 76320, 77040, 81408, 82176, 85065, 90736, 101760, 102078, 102720, 109568, 113420, 122112, 123264, 135680, 136104, 136960, 152640, 154080, 162816, 164352, 170130, 181472, 203520, 204156, 205440, 226840, 244224, 246528, 255195, 271360, 272208, 273920, 305280, 308160, 328704, 340260, 362944, 407040, 408312, 410880, 453680, 488448, 493056, 510390, 544416, 547840, 610560, 616320, 680520, 725888, 814080, 816624, 821760, 907360, 986112, 1020780, 1088832, 1221120, 1232640, 1361040, 1451776, 1633248, 1643520, 1814720, 2041560, 2177664, 2442240, 2465280, 2722080, 2903552, 3266496, 3629440, 4083120, 4355328, 4930560, 5444160, 5807104, 6532992, 7258880, 8166240, 8710656, 10888320, 13065984, 14517760, 16332480, 17421312, 21776640, 26131968, 29035520, 32664960, 43553280, 52263936, 65329920, 87106560, 130659840, 261319680]

約数ペア:

[(1, 261319680), (2, 130659840), (3, 87106560), (4, 65329920), (5, 52263936), (6, 43553280), (8, 32664960), (9, 29035520), (10, 26131968), (12, 21776640), (15, 17421312), (16, 16332480), (18, 14517760), (20, 13065984), (24, 10888320), (30, 8710656), (32, 8166240), (36, 7258880), (40, 6532992), (45, 5807104), (48, 5444160), (53, 4930560), (60, 4355328), (64, 4083120), (72, 3629440), (80, 3266496), (90, 2903552), (96, 2722080), (106, 2465280), (107, 2442240), (120, 2177664), (128, 2041560), (144, 1814720), (159, 1643520), (160, 1633248), (180, 1451776), (192, 1361040), (212, 1232640), (214, 1221120), (240, 1088832), (256, 1020780), (265, 986112), (288, 907360), (318, 821760), (320, 816624), (321, 814080), (360, 725888), (384, 680520), (424, 616320), (428, 610560), (477, 547840), (480, 544416), (512, 510390), (530, 493056), (535, 488448), (576, 453680), (636, 410880), (640, 408312), (642, 407040), (720, 362944), (768, 340260), (795, 328704), (848, 308160), (856, 305280), (954, 273920), (960, 272208), (963, 271360), (1024, 255195), (1060, 246528), (1070, 244224), (1152, 226840), (1272, 205440), (1280, 204156), (1284, 203520), (1440, 181472), (1536, 170130), (1590, 164352), (1605, 162816), (1696, 154080), (1712, 152640), (1908, 136960), (1920, 136104), (1926, 135680), (2120, 123264), (2140, 122112), (2304, 113420), (2385, 109568), (2544, 102720), (2560, 102078), (2568, 101760), (2880, 90736), (3072, 85065), (3180, 82176), (3210, 81408), (3392, 77040), (3424, 76320), (3816, 68480), (3840, 68052), (3852, 67840), (4240, 61632), (4280, 61056), (4608, 56710), (4770, 54784), (4815, 54272), (5088, 51360), (5120, 51039), (5136, 50880), (5671, 46080), (5760, 45368), (6360, 41088), (6420, 40704), (6784, 38520), (6848, 38160), (7632, 34240), (7680, 34026), (7704, 33920), (8480, 30816), (8560, 30528), (9216, 28355), (9540, 27392), (9630, 27136), (10176, 25680), (10272, 25440), (11342, 23040), (11520, 22684), (12720, 20544), (12840, 20352), (13568, 19260), (13696, 19080), (15264, 17120), (15360, 17013), (15408, 16960)]