1285807680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{446461}}^1$

素因数の和:446484

約数の個数: 84

約数和(自身を含む): 4422652572

約数和(自身を除く): 3136844892

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 446461, 892922, 1339383, 1785844, 2232305, 2678766, 3571688, 4018149, 4464610, 5357532, 6696915, 7143376, 8036298, 8929220, 10715064, 13393830, 14286752, 16072596, 17858440, 20090745, 21430128, 26787660, 28573504, 32145192, 35716880, 40181490, 42860256, 53575320, 64290384, 71433760, 80362980, 85720512, 107150640, 128580768, 142867520, 160725960, 214301280, 257161536, 321451920, 428602560, 642903840, 1285807680]

約数ペア:

[(1, 1285807680), (2, 642903840), (3, 428602560), (4, 321451920), (5, 257161536), (6, 214301280), (8, 160725960), (9, 142867520), (10, 128580768), (12, 107150640), (15, 85720512), (16, 80362980), (18, 71433760), (20, 64290384), (24, 53575320), (30, 42860256), (32, 40181490), (36, 35716880), (40, 32145192), (45, 28573504), (48, 26787660), (60, 21430128), (64, 20090745), (72, 17858440), (80, 16072596), (90, 14286752), (96, 13393830), (120, 10715064), (144, 8929220), (160, 8036298), (180, 7143376), (192, 6696915), (240, 5357532), (288, 4464610), (320, 4018149), (360, 3571688), (480, 2678766), (576, 2232305), (720, 1785844), (960, 1339383), (1440, 892922), (2880, 446461)]