217177680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{904907}}^1$

素因数の和:904923

約数の個数: 40

約数和(自身を含む): 673251552

約数和(自身を除く): 456073872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 904907, 1809814, 2714721, 3619628, 4524535, 5429442, 7239256, 9049070, 10858884, 13573605, 14478512, 18098140, 21717768, 27147210, 36196280, 43435536, 54294420, 72392560, 108588840, 217177680]

約数ペア:

[(1, 217177680), (2, 108588840), (3, 72392560), (4, 54294420), (5, 43435536), (6, 36196280), (8, 27147210), (10, 21717768), (12, 18098140), (15, 14478512), (16, 13573605), (20, 10858884), (24, 9049070), (30, 7239256), (40, 5429442), (48, 4524535), (60, 3619628), (80, 2714721), (120, 1809814), (240, 904907)]