678239820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7643}}^1$

素因数の和:7704

約数の個数: 144

約数和(自身を含む): 2253756960

約数和(自身を除く): 1575517140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 2465, 2610, 2958, 3060, 4437, 4930, 5220, 5916, 7395, 7643, 8874, 9860, 14790, 15286, 17748, 22185, 22929, 29580, 30572, 38215, 44370, 45858, 68787, 76430, 88740, 91716, 114645, 129931, 137574, 152860, 221647, 229290, 259862, 275148, 343935, 389793, 443294, 458580, 519724, 649655, 664941, 687870, 779586, 886588, 1108235, 1169379, 1299310, 1329882, 1375740, 1559172, 1948965, 1994823, 2216470, 2338758, 2598620, 2659764, 3324705, 3767999, 3897930, 3989646, 4432940, 4677516, 5846895, 6649410, 7535998, 7795860, 7979292, 9974115, 11303997, 11693790, 13298820, 15071996, 18839995, 19948230, 22607994, 23387580, 33911991, 37679990, 39896460, 45215988, 56519985, 67823982, 75359980, 113039970, 135647964, 169559955, 226079940, 339119910, 678239820]

約数ペア:

[(1, 678239820), (2, 339119910), (3, 226079940), (4, 169559955), (5, 135647964), (6, 113039970), (9, 75359980), (10, 67823982), (12, 56519985), (15, 45215988), (17, 39896460), (18, 37679990), (20, 33911991), (29, 23387580), (30, 22607994), (34, 19948230), (36, 18839995), (45, 15071996), (51, 13298820), (58, 11693790), (60, 11303997), (68, 9974115), (85, 7979292), (87, 7795860), (90, 7535998), (102, 6649410), (116, 5846895), (145, 4677516), (153, 4432940), (170, 3989646), (174, 3897930), (180, 3767999), (204, 3324705), (255, 2659764), (261, 2598620), (290, 2338758), (306, 2216470), (340, 1994823), (348, 1948965), (435, 1559172), (493, 1375740), (510, 1329882), (522, 1299310), (580, 1169379), (612, 1108235), (765, 886588), (870, 779586), (986, 687870), (1020, 664941), (1044, 649655), (1305, 519724), (1479, 458580), (1530, 443294), (1740, 389793), (1972, 343935), (2465, 275148), (2610, 259862), (2958, 229290), (3060, 221647), (4437, 152860), (4930, 137574), (5220, 129931), (5916, 114645), (7395, 91716), (7643, 88740), (8874, 76430), (9860, 68787), (14790, 45858), (15286, 44370), (17748, 38215), (22185, 30572), (22929, 29580)]