215984640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28123}}^1$

素因数の和:28149

約数の個数: 80

約数和(自身を含む): 690500448

約数和(自身を除く): 474515808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 28123, 56246, 84369, 112492, 140615, 168738, 224984, 281230, 337476, 421845, 449968, 562460, 674952, 843690, 899936, 1124920, 1349904, 1687380, 1799872, 2249840, 2699808, 3374760, 3599744, 4499680, 5399616, 6749520, 7199488, 8999360, 10799232, 13499040, 14398976, 17998720, 21598464, 26998080, 35997440, 43196928, 53996160, 71994880, 107992320, 215984640]

約数ペア:

[(1, 215984640), (2, 107992320), (3, 71994880), (4, 53996160), (5, 43196928), (6, 35997440), (8, 26998080), (10, 21598464), (12, 17998720), (15, 14398976), (16, 13499040), (20, 10799232), (24, 8999360), (30, 7199488), (32, 6749520), (40, 5399616), (48, 4499680), (60, 3599744), (64, 3374760), (80, 2699808), (96, 2249840), (120, 1799872), (128, 1687380), (160, 1349904), (192, 1124920), (240, 899936), (256, 843690), (320, 674952), (384, 562460), (480, 449968), (512, 421845), (640, 337476), (768, 281230), (960, 224984), (1280, 168738), (1536, 140615), (1920, 112492), (2560, 84369), (3840, 56246), (7680, 28123)]