28178880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 112

約数和(自身を含む): 90525600

約数和(自身を除く): 62346720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 149, 160, 192, 197, 240, 298, 320, 394, 447, 480, 591, 596, 745, 788, 894, 960, 985, 1182, 1192, 1490, 1576, 1788, 1970, 2235, 2364, 2384, 2955, 2980, 3152, 3576, 3940, 4470, 4728, 4768, 5910, 5960, 6304, 7152, 7880, 8940, 9456, 9536, 11820, 11920, 12608, 14304, 15760, 17880, 18912, 23640, 23840, 28608, 29353, 31520, 35760, 37824, 47280, 47680, 58706, 63040, 71520, 88059, 94560, 117412, 143040, 146765, 176118, 189120, 234824, 293530, 352236, 440295, 469648, 587060, 704472, 880590, 939296, 1174120, 1408944, 1761180, 1878592, 2348240, 2817888, 3522360, 4696480, 5635776, 7044720, 9392960, 14089440, 28178880]

約数ペア:

[(1, 28178880), (2, 14089440), (3, 9392960), (4, 7044720), (5, 5635776), (6, 4696480), (8, 3522360), (10, 2817888), (12, 2348240), (15, 1878592), (16, 1761180), (20, 1408944), (24, 1174120), (30, 939296), (32, 880590), (40, 704472), (48, 587060), (60, 469648), (64, 440295), (80, 352236), (96, 293530), (120, 234824), (149, 189120), (160, 176118), (192, 146765), (197, 143040), (240, 117412), (298, 94560), (320, 88059), (394, 71520), (447, 63040), (480, 58706), (591, 47680), (596, 47280), (745, 37824), (788, 35760), (894, 31520), (960, 29353), (985, 28608), (1182, 23840), (1192, 23640), (1490, 18912), (1576, 17880), (1788, 15760), (1970, 14304), (2235, 12608), (2364, 11920), (2384, 11820), (2955, 9536), (2980, 9456), (3152, 8940), (3576, 7880), (3940, 7152), (4470, 6304), (4728, 5960), (4768, 5910)]