18117405440

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{615401}}^1$

素因数の和:615445

約数の個数: 72

約数和(自身を含む): 45283740768

約数和(自身を除く): 27166335328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 29440, 615401, 1230802, 2461604, 3077005, 4923208, 6154010, 9846416, 12308020, 14154223, 19692832, 24616040, 28308446, 39385664, 49232080, 56616892, 70771115, 78771328, 98464160, 113233784, 141542230, 157542656, 196928320, 226467568, 283084460, 393856640, 452935136, 566168920, 787713280, 905870272, 1132337840, 1811740544, 2264675680, 3623481088, 4529351360, 9058702720, 18117405440]

約数ペア:

[(1, 18117405440), (2, 9058702720), (4, 4529351360), (5, 3623481088), (8, 2264675680), (10, 1811740544), (16, 1132337840), (20, 905870272), (23, 787713280), (32, 566168920), (40, 452935136), (46, 393856640), (64, 283084460), (80, 226467568), (92, 196928320), (115, 157542656), (128, 141542230), (160, 113233784), (184, 98464160), (230, 78771328), (256, 70771115), (320, 56616892), (368, 49232080), (460, 39385664), (640, 28308446), (736, 24616040), (920, 19692832), (1280, 14154223), (1472, 12308020), (1840, 9846416), (2944, 6154010), (3680, 4923208), (5888, 3077005), (7360, 2461604), (14720, 1230802), (29440, 615401)]