25784640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 168

約数和(自身を含む): 101437440

約数和(自身を除く): 75652800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1279, 1344, 1440, 1680, 2016, 2240, 2520, 2558, 2880, 3360, 3837, 4032, 5040, 5116, 6395, 6720, 7674, 8953, 10080, 10232, 11511, 12790, 15348, 17906, 19185, 20160, 20464, 23022, 25580, 26859, 30696, 35812, 38370, 40928, 44765, 46044, 51160, 53718, 57555, 61392, 71624, 76740, 80577, 81856, 89530, 92088, 102320, 107436, 115110, 122784, 134295, 143248, 153480, 161154, 179060, 184176, 204640, 214872, 230220, 245568, 268590, 286496, 306960, 322308, 358120, 368352, 402885, 409280, 429744, 460440, 537180, 572992, 613920, 644616, 716240, 736704, 805770, 859488, 920880, 1074360, 1227840, 1289232, 1432480, 1611540, 1718976, 1841760, 2148720, 2578464, 2864960, 3223080, 3683520, 4297440, 5156928, 6446160, 8594880, 12892320, 25784640]

約数ペア:

[(1, 25784640), (2, 12892320), (3, 8594880), (4, 6446160), (5, 5156928), (6, 4297440), (7, 3683520), (8, 3223080), (9, 2864960), (10, 2578464), (12, 2148720), (14, 1841760), (15, 1718976), (16, 1611540), (18, 1432480), (20, 1289232), (21, 1227840), (24, 1074360), (28, 920880), (30, 859488), (32, 805770), (35, 736704), (36, 716240), (40, 644616), (42, 613920), (45, 572992), (48, 537180), (56, 460440), (60, 429744), (63, 409280), (64, 402885), (70, 368352), (72, 358120), (80, 322308), (84, 306960), (90, 286496), (96, 268590), (105, 245568), (112, 230220), (120, 214872), (126, 204640), (140, 184176), (144, 179060), (160, 161154), (168, 153480), (180, 143248), (192, 134295), (210, 122784), (224, 115110), (240, 107436), (252, 102320), (280, 92088), (288, 89530), (315, 81856), (320, 80577), (336, 76740), (360, 71624), (420, 61392), (448, 57555), (480, 53718), (504, 51160), (560, 46044), (576, 44765), (630, 40928), (672, 38370), (720, 35812), (840, 30696), (960, 26859), (1008, 25580), (1120, 23022), (1260, 20464), (1279, 20160), (1344, 19185), (1440, 17906), (1680, 15348), (2016, 12790), (2240, 11511), (2520, 10232), (2558, 10080), (2880, 8953), (3360, 7674), (3837, 6720), (4032, 6395), (5040, 5116)]