80939520

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{1171}}^1$

素因数の和:1203

約数の個数: 160

約数和(自身を含む): 287749440

約数和(自身を除く): 206809920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1171, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2342, 2560, 2880, 3456, 3513, 3840, 4320, 4608, 4684, 5760, 5855, 6912, 7026, 7680, 8640, 9368, 10539, 11520, 11710, 13824, 14052, 17280, 17565, 18736, 21078, 23040, 23420, 28104, 31617, 34560, 35130, 37472, 42156, 46840, 52695, 56208, 63234, 69120, 70260, 74944, 84312, 93680, 105390, 112416, 126468, 140520, 149888, 158085, 168624, 187360, 210780, 224832, 252936, 281040, 299776, 316170, 337248, 374720, 421560, 449664, 505872, 562080, 599552, 632340, 674496, 749440, 843120, 899328, 1011744, 1124160, 1264680, 1348992, 1498880, 1686240, 1798656, 2023488, 2248320, 2529360, 2697984, 2997760, 3372480, 4046976, 4496640, 5058720, 5395968, 6744960, 8093952, 8993280, 10117440, 13489920, 16187904, 20234880, 26979840, 40469760, 80939520]

約数ペア:

[(1, 80939520), (2, 40469760), (3, 26979840), (4, 20234880), (5, 16187904), (6, 13489920), (8, 10117440), (9, 8993280), (10, 8093952), (12, 6744960), (15, 5395968), (16, 5058720), (18, 4496640), (20, 4046976), (24, 3372480), (27, 2997760), (30, 2697984), (32, 2529360), (36, 2248320), (40, 2023488), (45, 1798656), (48, 1686240), (54, 1498880), (60, 1348992), (64, 1264680), (72, 1124160), (80, 1011744), (90, 899328), (96, 843120), (108, 749440), (120, 674496), (128, 632340), (135, 599552), (144, 562080), (160, 505872), (180, 449664), (192, 421560), (216, 374720), (240, 337248), (256, 316170), (270, 299776), (288, 281040), (320, 252936), (360, 224832), (384, 210780), (432, 187360), (480, 168624), (512, 158085), (540, 149888), (576, 140520), (640, 126468), (720, 112416), (768, 105390), (864, 93680), (960, 84312), (1080, 74944), (1152, 70260), (1171, 69120), (1280, 63234), (1440, 56208), (1536, 52695), (1728, 46840), (1920, 42156), (2160, 37472), (2304, 35130), (2342, 34560), (2560, 31617), (2880, 28104), (3456, 23420), (3513, 23040), (3840, 21078), (4320, 18736), (4608, 17565), (4684, 17280), (5760, 14052), (5855, 13824), (6912, 11710), (7026, 11520), (7680, 10539), (8640, 9368)]