318231520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15661}}^1$

素因数の和:15803

約数の個数: 48

約数和(自身を含む): 757790208

約数和(自身を除く): 439558688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 15661, 20320, 31322, 62644, 78305, 125288, 156610, 250576, 313220, 501152, 626440, 1252880, 1988947, 2505760, 3977894, 7955788, 9944735, 15911576, 19889470, 31823152, 39778940, 63646304, 79557880, 159115760, 318231520]

約数ペア:

[(1, 318231520), (2, 159115760), (4, 79557880), (5, 63646304), (8, 39778940), (10, 31823152), (16, 19889470), (20, 15911576), (32, 9944735), (40, 7955788), (80, 3977894), (127, 2505760), (160, 1988947), (254, 1252880), (508, 626440), (635, 501152), (1016, 313220), (1270, 250576), (2032, 156610), (2540, 125288), (4064, 78305), (5080, 62644), (10160, 31322), (15661, 20320)]