257741280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178987}}^1$

素因数の和:179008

約数の個数: 72

約数和(自身を含む): 879547032

約数和(自身を除く): 621805752

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178987, 357974, 536961, 715948, 894935, 1073922, 1431896, 1610883, 1789870, 2147844, 2684805, 2863792, 3221766, 3579740, 4295688, 5369610, 5727584, 6443532, 7159480, 8054415, 8591376, 10739220, 12887064, 14318960, 16108830, 17182752, 21478440, 25774128, 28637920, 32217660, 42956880, 51548256, 64435320, 85913760, 128870640, 257741280]

約数ペア:

[(1, 257741280), (2, 128870640), (3, 85913760), (4, 64435320), (5, 51548256), (6, 42956880), (8, 32217660), (9, 28637920), (10, 25774128), (12, 21478440), (15, 17182752), (16, 16108830), (18, 14318960), (20, 12887064), (24, 10739220), (30, 8591376), (32, 8054415), (36, 7159480), (40, 6443532), (45, 5727584), (48, 5369610), (60, 4295688), (72, 3579740), (80, 3221766), (90, 2863792), (96, 2684805), (120, 2147844), (144, 1789870), (160, 1610883), (180, 1431896), (240, 1073922), (288, 894935), (360, 715948), (480, 536961), (720, 357974), (1440, 178987)]