205261440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{106907}}^1$

素因数の和:106929

約数の個数: 64

約数和(自身を含む): 654276960

約数和(自身を除く): 449015520

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, 320, 384, 480, 640, 960, 1920, 106907, 213814, 320721, 427628, 534535, 641442, 855256, 1069070, 1282884, 1603605, 1710512, 2138140, 2565768, 3207210, 3421024, 4276280, 5131536, 6414420, 6842048, 8552560, 10263072, 12828840, 13684096, 17105120, 20526144, 25657680, 34210240, 41052288, 51315360, 68420480, 102630720, 205261440]

約数ペア:

[(1, 205261440), (2, 102630720), (3, 68420480), (4, 51315360), (5, 41052288), (6, 34210240), (8, 25657680), (10, 20526144), (12, 17105120), (15, 13684096), (16, 12828840), (20, 10263072), (24, 8552560), (30, 6842048), (32, 6414420), (40, 5131536), (48, 4276280), (60, 3421024), (64, 3207210), (80, 2565768), (96, 2138140), (120, 1710512), (128, 1603605), (160, 1282884), (192, 1069070), (240, 855256), (320, 641442), (384, 534535), (480, 427628), (640, 320721), (960, 213814), (1920, 106907)]