18478080

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 132

約数和(自身を含む): 64185732

約数和(自身を除く): 45707652

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, 401, 480, 512, 576, 640, 720, 768, 802, 960, 1024, 1152, 1203, 1280, 1440, 1536, 1604, 1920, 2005, 2304, 2406, 2560, 2880, 3072, 3208, 3609, 3840, 4010, 4608, 4812, 5120, 5760, 6015, 6416, 7218, 7680, 8020, 9216, 9624, 11520, 12030, 12832, 14436, 15360, 16040, 18045, 19248, 23040, 24060, 25664, 28872, 32080, 36090, 38496, 46080, 48120, 51328, 57744, 64160, 72180, 76992, 96240, 102656, 115488, 128320, 144360, 153984, 192480, 205312, 230976, 256640, 288720, 307968, 384960, 410624, 461952, 513280, 577440, 615936, 769920, 923904, 1026560, 1154880, 1231872, 1539840, 1847808, 2053120, 2309760, 3079680, 3695616, 4619520, 6159360, 9239040, 18478080]

約数ペア:

[(1, 18478080), (2, 9239040), (3, 6159360), (4, 4619520), (5, 3695616), (6, 3079680), (8, 2309760), (9, 2053120), (10, 1847808), (12, 1539840), (15, 1231872), (16, 1154880), (18, 1026560), (20, 923904), (24, 769920), (30, 615936), (32, 577440), (36, 513280), (40, 461952), (45, 410624), (48, 384960), (60, 307968), (64, 288720), (72, 256640), (80, 230976), (90, 205312), (96, 192480), (120, 153984), (128, 144360), (144, 128320), (160, 115488), (180, 102656), (192, 96240), (240, 76992), (256, 72180), (288, 64160), (320, 57744), (360, 51328), (384, 48120), (401, 46080), (480, 38496), (512, 36090), (576, 32080), (640, 28872), (720, 25664), (768, 24060), (802, 23040), (960, 19248), (1024, 18045), (1152, 16040), (1203, 15360), (1280, 14436), (1440, 12832), (1536, 12030), (1604, 11520), (1920, 9624), (2005, 9216), (2304, 8020), (2406, 7680), (2560, 7218), (2880, 6416), (3072, 6015), (3208, 5760), (3609, 5120), (3840, 4812), (4010, 4608)]