20278080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2347}}^1$

素因数の和:2373

約数の個数: 112

約数和(自身を含む): 71567040

約数和(自身を除く): 51288960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2347, 2880, 4320, 4694, 7041, 8640, 9388, 11735, 14082, 18776, 21123, 23470, 28164, 35205, 37552, 42246, 46940, 56328, 63369, 70410, 75104, 84492, 93880, 105615, 112656, 126738, 140820, 150208, 168984, 187760, 211230, 225312, 253476, 281640, 316845, 337968, 375520, 422460, 450624, 506952, 563280, 633690, 675936, 751040, 844920, 1013904, 1126560, 1267380, 1351872, 1689840, 2027808, 2253120, 2534760, 3379680, 4055616, 5069520, 6759360, 10139040, 20278080]

約数ペア:

[(1, 20278080), (2, 10139040), (3, 6759360), (4, 5069520), (5, 4055616), (6, 3379680), (8, 2534760), (9, 2253120), (10, 2027808), (12, 1689840), (15, 1351872), (16, 1267380), (18, 1126560), (20, 1013904), (24, 844920), (27, 751040), (30, 675936), (32, 633690), (36, 563280), (40, 506952), (45, 450624), (48, 422460), (54, 375520), (60, 337968), (64, 316845), (72, 281640), (80, 253476), (90, 225312), (96, 211230), (108, 187760), (120, 168984), (135, 150208), (144, 140820), (160, 126738), (180, 112656), (192, 105615), (216, 93880), (240, 84492), (270, 75104), (288, 70410), (320, 63369), (360, 56328), (432, 46940), (480, 42246), (540, 37552), (576, 35205), (720, 28164), (864, 23470), (960, 21123), (1080, 18776), (1440, 14082), (1728, 11735), (2160, 9388), (2347, 8640), (2880, 7041), (4320, 4694)]