74793040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{133559}}^1$

素因数の和:133579

約数の個数: 40

約数和(自身を含む): 198737280

約数和(自身を除く): 123944240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 133559, 267118, 534236, 667795, 934913, 1068472, 1335590, 1869826, 2136944, 2671180, 3739652, 4674565, 5342360, 7479304, 9349130, 10684720, 14958608, 18698260, 37396520, 74793040]

約数ペア:

[(1, 74793040), (2, 37396520), (4, 18698260), (5, 14958608), (7, 10684720), (8, 9349130), (10, 7479304), (14, 5342360), (16, 4674565), (20, 3739652), (28, 2671180), (35, 2136944), (40, 1869826), (56, 1335590), (70, 1068472), (80, 934913), (112, 667795), (140, 534236), (280, 267118), (560, 133559)]