211979520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{18401}}^1$

素因数の和:18428

約数の個数: 108

約数和(自身を含む): 733466916

約数和(自身を除く): 521487396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 18401, 36802, 55203, 73604, 92005, 110406, 147208, 165609, 184010, 220812, 276015, 294416, 331218, 368020, 441624, 552030, 588832, 662436, 736040, 828045, 883248, 1104060, 1177664, 1324872, 1472080, 1656090, 1766496, 2208120, 2355328, 2649744, 2944160, 3312180, 3532992, 4416240, 4710656, 5299488, 5888320, 6624360, 7065984, 8832480, 10598976, 11776640, 13248720, 14131968, 17664960, 21197952, 23553280, 26497440, 35329920, 42395904, 52994880, 70659840, 105989760, 211979520]

約数ペア:

[(1, 211979520), (2, 105989760), (3, 70659840), (4, 52994880), (5, 42395904), (6, 35329920), (8, 26497440), (9, 23553280), (10, 21197952), (12, 17664960), (15, 14131968), (16, 13248720), (18, 11776640), (20, 10598976), (24, 8832480), (30, 7065984), (32, 6624360), (36, 5888320), (40, 5299488), (45, 4710656), (48, 4416240), (60, 3532992), (64, 3312180), (72, 2944160), (80, 2649744), (90, 2355328), (96, 2208120), (120, 1766496), (128, 1656090), (144, 1472080), (160, 1324872), (180, 1177664), (192, 1104060), (240, 883248), (256, 828045), (288, 736040), (320, 662436), (360, 588832), (384, 552030), (480, 441624), (576, 368020), (640, 331218), (720, 294416), (768, 276015), (960, 220812), (1152, 184010), (1280, 165609), (1440, 147208), (1920, 110406), (2304, 92005), (2880, 73604), (3840, 55203), (5760, 36802), (11520, 18401)]