254168280

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 192

約数和(自身を含む): 870105600

約数和(自身を除く): 615937320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 243, 270, 316, 324, 331, 360, 395, 405, 474, 486, 540, 632, 648, 662, 711, 790, 810, 948, 972, 993, 1080, 1185, 1215, 1324, 1422, 1580, 1620, 1655, 1896, 1944, 1986, 2133, 2370, 2430, 2648, 2844, 2979, 3160, 3240, 3310, 3555, 3972, 4266, 4740, 4860, 4965, 5688, 5958, 6399, 6620, 7110, 7944, 8532, 8937, 9480, 9720, 9930, 10665, 11916, 12798, 13240, 14220, 14895, 17064, 17874, 19197, 19860, 21330, 23832, 25596, 26149, 26811, 28440, 29790, 31995, 35748, 38394, 39720, 42660, 44685, 51192, 52298, 53622, 59580, 63990, 71496, 76788, 78447, 80433, 85320, 89370, 95985, 104596, 107244, 119160, 127980, 130745, 134055, 153576, 156894, 160866, 178740, 191970, 209192, 214488, 235341, 255960, 261490, 268110, 313788, 321732, 357480, 383940, 392235, 402165, 470682, 522980, 536220, 627576, 643464, 706023, 767880, 784470, 804330, 941364, 1045960, 1072440, 1176705, 1412046, 1568940, 1608660, 1882728, 2118069, 2353410, 2824092, 3137880, 3217320, 3530115, 4236138, 4706820, 5648184, 6354207, 7060230, 8472276, 9413640, 10590345, 12708414, 14120460, 16944552, 21180690, 25416828, 28240920, 31771035, 42361380, 50833656, 63542070, 84722760, 127084140, 254168280]

約数ペア:

[(1, 254168280), (2, 127084140), (3, 84722760), (4, 63542070), (5, 50833656), (6, 42361380), (8, 31771035), (9, 28240920), (10, 25416828), (12, 21180690), (15, 16944552), (18, 14120460), (20, 12708414), (24, 10590345), (27, 9413640), (30, 8472276), (36, 7060230), (40, 6354207), (45, 5648184), (54, 4706820), (60, 4236138), (72, 3530115), (79, 3217320), (81, 3137880), (90, 2824092), (108, 2353410), (120, 2118069), (135, 1882728), (158, 1608660), (162, 1568940), (180, 1412046), (216, 1176705), (237, 1072440), (243, 1045960), (270, 941364), (316, 804330), (324, 784470), (331, 767880), (360, 706023), (395, 643464), (405, 627576), (474, 536220), (486, 522980), (540, 470682), (632, 402165), (648, 392235), (662, 383940), (711, 357480), (790, 321732), (810, 313788), (948, 268110), (972, 261490), (993, 255960), (1080, 235341), (1185, 214488), (1215, 209192), (1324, 191970), (1422, 178740), (1580, 160866), (1620, 156894), (1655, 153576), (1896, 134055), (1944, 130745), (1986, 127980), (2133, 119160), (2370, 107244), (2430, 104596), (2648, 95985), (2844, 89370), (2979, 85320), (3160, 80433), (3240, 78447), (3310, 76788), (3555, 71496), (3972, 63990), (4266, 59580), (4740, 53622), (4860, 52298), (4965, 51192), (5688, 44685), (5958, 42660), (6399, 39720), (6620, 38394), (7110, 35748), (7944, 31995), (8532, 29790), (8937, 28440), (9480, 26811), (9720, 26149), (9930, 25596), (10665, 23832), (11916, 21330), (12798, 19860), (13240, 19197), (14220, 17874), (14895, 17064)]