27887440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2660

約数の個数: 80

約数和(自身を含む): 78030720

約数和(自身を除く): 50143280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2621, 2660, 5242, 5320, 10484, 10640, 13105, 18347, 20968, 26210, 36694, 41936, 49799, 52420, 73388, 91735, 99598, 104840, 146776, 183470, 199196, 209680, 248995, 293552, 348593, 366940, 398392, 497990, 697186, 733880, 796784, 995980, 1394372, 1467760, 1742965, 1991960, 2788744, 3485930, 3983920, 5577488, 6971860, 13943720, 27887440]

約数ペア:

[(1, 27887440), (2, 13943720), (4, 6971860), (5, 5577488), (7, 3983920), (8, 3485930), (10, 2788744), (14, 1991960), (16, 1742965), (19, 1467760), (20, 1394372), (28, 995980), (35, 796784), (38, 733880), (40, 697186), (56, 497990), (70, 398392), (76, 366940), (80, 348593), (95, 293552), (112, 248995), (133, 209680), (140, 199196), (152, 183470), (190, 146776), (266, 104840), (280, 99598), (304, 91735), (380, 73388), (532, 52420), (560, 49799), (665, 41936), (760, 36694), (1064, 26210), (1330, 20968), (1520, 18347), (2128, 13105), (2621, 10640), (2660, 10484), (5242, 5320)]