121808640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31721}}^1$

素因数の和:31745

約数の個数: 72

約数和(自身を含む): 389038608

約数和(自身を除く): 267229968

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, 640, 768, 960, 1280, 1920, 3840, 31721, 63442, 95163, 126884, 158605, 190326, 253768, 317210, 380652, 475815, 507536, 634420, 761304, 951630, 1015072, 1268840, 1522608, 1903260, 2030144, 2537680, 3045216, 3806520, 4060288, 5075360, 6090432, 7613040, 8120576, 10150720, 12180864, 15226080, 20301440, 24361728, 30452160, 40602880, 60904320, 121808640]

約数ペア:

[(1, 121808640), (2, 60904320), (3, 40602880), (4, 30452160), (5, 24361728), (6, 20301440), (8, 15226080), (10, 12180864), (12, 10150720), (15, 8120576), (16, 7613040), (20, 6090432), (24, 5075360), (30, 4060288), (32, 3806520), (40, 3045216), (48, 2537680), (60, 2030144), (64, 1903260), (80, 1522608), (96, 1268840), (120, 1015072), (128, 951630), (160, 761304), (192, 634420), (240, 507536), (256, 475815), (320, 380652), (384, 317210), (480, 253768), (640, 190326), (768, 158605), (960, 126884), (1280, 95163), (1920, 63442), (3840, 31721)]