79658320

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2903}}^1$

素因数の和:2937

約数の個数: 80

約数和(自身を含む): 216057600

約数和(自身を除く): 136399280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 2903, 3430, 3920, 5488, 5806, 6860, 11612, 13720, 14515, 20321, 23224, 27440, 29030, 40642, 46448, 58060, 81284, 101605, 116120, 142247, 162568, 203210, 232240, 284494, 325136, 406420, 568988, 711235, 812840, 995729, 1137976, 1422470, 1625680, 1991458, 2275952, 2844940, 3982916, 4978645, 5689880, 7965832, 9957290, 11379760, 15931664, 19914580, 39829160, 79658320]

約数ペア:

[(1, 79658320), (2, 39829160), (4, 19914580), (5, 15931664), (7, 11379760), (8, 9957290), (10, 7965832), (14, 5689880), (16, 4978645), (20, 3982916), (28, 2844940), (35, 2275952), (40, 1991458), (49, 1625680), (56, 1422470), (70, 1137976), (80, 995729), (98, 812840), (112, 711235), (140, 568988), (196, 406420), (245, 325136), (280, 284494), (343, 232240), (392, 203210), (490, 162568), (560, 142247), (686, 116120), (784, 101605), (980, 81284), (1372, 58060), (1715, 46448), (1960, 40642), (2744, 29030), (2903, 27440), (3430, 23224), (3920, 20321), (5488, 14515), (5806, 13720), (6860, 11612)]