128376960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{66863}}^1$

素因数の和:66885

約数の個数: 64

約数和(自身を含む): 409207680

約数和(自身を除く): 280830720

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, 66863, 133726, 200589, 267452, 334315, 401178, 534904, 668630, 802356, 1002945, 1069808, 1337260, 1604712, 2005890, 2139616, 2674520, 3209424, 4011780, 4279232, 5349040, 6418848, 8023560, 8558464, 10698080, 12837696, 16047120, 21396160, 25675392, 32094240, 42792320, 64188480, 128376960]

約数ペア:

[(1, 128376960), (2, 64188480), (3, 42792320), (4, 32094240), (5, 25675392), (6, 21396160), (8, 16047120), (10, 12837696), (12, 10698080), (15, 8558464), (16, 8023560), (20, 6418848), (24, 5349040), (30, 4279232), (32, 4011780), (40, 3209424), (48, 2674520), (60, 2139616), (64, 2005890), (80, 1604712), (96, 1337260), (120, 1069808), (128, 1002945), (160, 802356), (192, 668630), (240, 534904), (320, 401178), (384, 334315), (480, 267452), (640, 200589), (960, 133726), (1920, 66863)]