215877120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28109}}^1$

素因数の和:28135

約数の個数: 80

約数和(自身を含む): 690156720

約数和(自身を除く): 474279600

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, 28109, 56218, 84327, 112436, 140545, 168654, 224872, 281090, 337308, 421635, 449744, 562180, 674616, 843270, 899488, 1124360, 1349232, 1686540, 1798976, 2248720, 2698464, 3373080, 3597952, 4497440, 5396928, 6746160, 7195904, 8994880, 10793856, 13492320, 14391808, 17989760, 21587712, 26984640, 35979520, 43175424, 53969280, 71959040, 107938560, 215877120]

約数ペア:

[(1, 215877120), (2, 107938560), (3, 71959040), (4, 53969280), (5, 43175424), (6, 35979520), (8, 26984640), (10, 21587712), (12, 17989760), (15, 14391808), (16, 13492320), (20, 10793856), (24, 8994880), (30, 7195904), (32, 6746160), (40, 5396928), (48, 4497440), (60, 3597952), (64, 3373080), (80, 2698464), (96, 2248720), (120, 1798976), (128, 1686540), (160, 1349232), (192, 1124360), (240, 899488), (256, 843270), (320, 674616), (384, 562180), (480, 449744), (512, 421635), (640, 337308), (768, 281090), (960, 224872), (1280, 168654), (1536, 140545), (1920, 112436), (2560, 84327), (3840, 56218), (7680, 28109)]