19707840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2281}}^1$

素因数の和:2307

約数の個数: 112

約数和(自身を含む): 69555360

約数和(自身を除く): 49847520

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, 2281, 2880, 4320, 4562, 6843, 8640, 9124, 11405, 13686, 18248, 20529, 22810, 27372, 34215, 36496, 41058, 45620, 54744, 61587, 68430, 72992, 82116, 91240, 102645, 109488, 123174, 136860, 145984, 164232, 182480, 205290, 218976, 246348, 273720, 307935, 328464, 364960, 410580, 437952, 492696, 547440, 615870, 656928, 729920, 821160, 985392, 1094880, 1231740, 1313856, 1642320, 1970784, 2189760, 2463480, 3284640, 3941568, 4926960, 6569280, 9853920, 19707840]

約数ペア:

[(1, 19707840), (2, 9853920), (3, 6569280), (4, 4926960), (5, 3941568), (6, 3284640), (8, 2463480), (9, 2189760), (10, 1970784), (12, 1642320), (15, 1313856), (16, 1231740), (18, 1094880), (20, 985392), (24, 821160), (27, 729920), (30, 656928), (32, 615870), (36, 547440), (40, 492696), (45, 437952), (48, 410580), (54, 364960), (60, 328464), (64, 307935), (72, 273720), (80, 246348), (90, 218976), (96, 205290), (108, 182480), (120, 164232), (135, 145984), (144, 136860), (160, 123174), (180, 109488), (192, 102645), (216, 91240), (240, 82116), (270, 72992), (288, 68430), (320, 61587), (360, 54744), (432, 45620), (480, 41058), (540, 36496), (576, 34215), (720, 27372), (864, 22810), (960, 20529), (1080, 18248), (1440, 13686), (1728, 11405), (2160, 9124), (2281, 8640), (2880, 6843), (4320, 4562)]