249440640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{129917}}^1$

素因数の和:129939

約数の個数: 64

約数和(自身を含む): 795098160

約数和(自身を除く): 545657520

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, 129917, 259834, 389751, 519668, 649585, 779502, 1039336, 1299170, 1559004, 1948755, 2078672, 2598340, 3118008, 3897510, 4157344, 5196680, 6236016, 7795020, 8314688, 10393360, 12472032, 15590040, 16629376, 20786720, 24944064, 31180080, 41573440, 49888128, 62360160, 83146880, 124720320, 249440640]

約数ペア:

[(1, 249440640), (2, 124720320), (3, 83146880), (4, 62360160), (5, 49888128), (6, 41573440), (8, 31180080), (10, 24944064), (12, 20786720), (15, 16629376), (16, 15590040), (20, 12472032), (24, 10393360), (30, 8314688), (32, 7795020), (40, 6236016), (48, 5196680), (60, 4157344), (64, 3897510), (80, 3118008), (96, 2598340), (120, 2078672), (128, 1948755), (160, 1559004), (192, 1299170), (240, 1039336), (320, 779502), (384, 649585), (480, 519668), (640, 389751), (960, 259834), (1920, 129917)]