1225672320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{638371}}^1$

素因数の和:638393

約数の個数: 64

約数和(自身を含む): 3906836640

約数和(自身を除く): 2681164320

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, 638371, 1276742, 1915113, 2553484, 3191855, 3830226, 5106968, 6383710, 7660452, 9575565, 10213936, 12767420, 15320904, 19151130, 20427872, 25534840, 30641808, 38302260, 40855744, 51069680, 61283616, 76604520, 81711488, 102139360, 122567232, 153209040, 204278720, 245134464, 306418080, 408557440, 612836160, 1225672320]

約数ペア:

[(1, 1225672320), (2, 612836160), (3, 408557440), (4, 306418080), (5, 245134464), (6, 204278720), (8, 153209040), (10, 122567232), (12, 102139360), (15, 81711488), (16, 76604520), (20, 61283616), (24, 51069680), (30, 40855744), (32, 38302260), (40, 30641808), (48, 25534840), (60, 20427872), (64, 19151130), (80, 15320904), (96, 12767420), (120, 10213936), (128, 9575565), (160, 7660452), (192, 6383710), (240, 5106968), (320, 3830226), (384, 3191855), (480, 2553484), (640, 1915113), (960, 1276742), (1920, 638371)]