1520355840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{197963}}^1$

素因数の和:197989

約数の個数: 80

約数和(自身を含む): 4860412128

約数和(自身を除く): 3340056288

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 197963, 395926, 593889, 791852, 989815, 1187778, 1583704, 1979630, 2375556, 2969445, 3167408, 3959260, 4751112, 5938890, 6334816, 7918520, 9502224, 11877780, 12669632, 15837040, 19004448, 23755560, 25339264, 31674080, 38008896, 47511120, 50678528, 63348160, 76017792, 95022240, 101357056, 126696320, 152035584, 190044480, 253392640, 304071168, 380088960, 506785280, 760177920, 1520355840]

約数ペア:

[(1, 1520355840), (2, 760177920), (3, 506785280), (4, 380088960), (5, 304071168), (6, 253392640), (8, 190044480), (10, 152035584), (12, 126696320), (15, 101357056), (16, 95022240), (20, 76017792), (24, 63348160), (30, 50678528), (32, 47511120), (40, 38008896), (48, 31674080), (60, 25339264), (64, 23755560), (80, 19004448), (96, 15837040), (120, 12669632), (128, 11877780), (160, 9502224), (192, 7918520), (240, 6334816), (256, 5938890), (320, 4751112), (384, 3959260), (480, 3167408), (512, 2969445), (640, 2375556), (768, 1979630), (960, 1583704), (1280, 1187778), (1536, 989815), (1920, 791852), (2560, 593889), (3840, 395926), (7680, 197963)]