261901440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1175

約数の個数: 192

約数和(自身を含む): 927271800

約数和(自身を除く): 665370360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 180, 192, 205, 240, 246, 288, 320, 328, 360, 369, 384, 410, 480, 492, 576, 615, 640, 656, 720, 738, 820, 960, 984, 1109, 1152, 1230, 1312, 1440, 1476, 1640, 1845, 1920, 1968, 2218, 2460, 2624, 2880, 2952, 3280, 3327, 3690, 3936, 4436, 4920, 5248, 5545, 5760, 5904, 6560, 6654, 7380, 7872, 8872, 9840, 9981, 11090, 11808, 13120, 13308, 14760, 15744, 16635, 17744, 19680, 19962, 22180, 23616, 26240, 26616, 29520, 33270, 35488, 39360, 39924, 44360, 45469, 47232, 49905, 53232, 59040, 66540, 70976, 78720, 79848, 88720, 90938, 99810, 106464, 118080, 133080, 136407, 141952, 159696, 177440, 181876, 199620, 212928, 227345, 236160, 266160, 272814, 319392, 354880, 363752, 399240, 409221, 425856, 454690, 532320, 545628, 638784, 682035, 709760, 727504, 798480, 818442, 909380, 1064640, 1091256, 1277568, 1364070, 1455008, 1596960, 1636884, 1818760, 2046105, 2129280, 2182512, 2728140, 2910016, 3193920, 3273768, 3637520, 4092210, 4365024, 5456280, 5820032, 6387840, 6547536, 7275040, 8184420, 8730048, 10912560, 13095072, 14550080, 16368840, 17460096, 21825120, 26190144, 29100160, 32737680, 43650240, 52380288, 65475360, 87300480, 130950720, 261901440]

約数ペア:

[(1, 261901440), (2, 130950720), (3, 87300480), (4, 65475360), (5, 52380288), (6, 43650240), (8, 32737680), (9, 29100160), (10, 26190144), (12, 21825120), (15, 17460096), (16, 16368840), (18, 14550080), (20, 13095072), (24, 10912560), (30, 8730048), (32, 8184420), (36, 7275040), (40, 6547536), (41, 6387840), (45, 5820032), (48, 5456280), (60, 4365024), (64, 4092210), (72, 3637520), (80, 3273768), (82, 3193920), (90, 2910016), (96, 2728140), (120, 2182512), (123, 2129280), (128, 2046105), (144, 1818760), (160, 1636884), (164, 1596960), (180, 1455008), (192, 1364070), (205, 1277568), (240, 1091256), (246, 1064640), (288, 909380), (320, 818442), (328, 798480), (360, 727504), (369, 709760), (384, 682035), (410, 638784), (480, 545628), (492, 532320), (576, 454690), (615, 425856), (640, 409221), (656, 399240), (720, 363752), (738, 354880), (820, 319392), (960, 272814), (984, 266160), (1109, 236160), (1152, 227345), (1230, 212928), (1312, 199620), (1440, 181876), (1476, 177440), (1640, 159696), (1845, 141952), (1920, 136407), (1968, 133080), (2218, 118080), (2460, 106464), (2624, 99810), (2880, 90938), (2952, 88720), (3280, 79848), (3327, 78720), (3690, 70976), (3936, 66540), (4436, 59040), (4920, 53232), (5248, 49905), (5545, 47232), (5760, 45469), (5904, 44360), (6560, 39924), (6654, 39360), (7380, 35488), (7872, 33270), (8872, 29520), (9840, 26616), (9981, 26240), (11090, 23616), (11808, 22180), (13120, 19962), (13308, 19680), (14760, 17744), (15744, 16635)]