280637280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2570

約数の個数: 288

約数和(自身を含む): 1194455808

約数和(自身を除く): 913818528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1386, 1440, 1540, 1584, 1680, 1760, 1848, 1980, 2016, 2310, 2464, 2520, 2531, 2640, 2772, 3080, 3168, 3360, 3465, 3696, 3960, 4620, 5040, 5062, 5280, 5544, 6160, 6930, 7392, 7593, 7920, 9240, 10080, 10124, 11088, 12320, 12655, 13860, 15186, 15840, 17717, 18480, 20248, 22176, 22779, 25310, 27720, 27841, 30372, 35434, 36960, 37965, 40496, 45558, 50620, 53151, 55440, 55682, 60744, 70868, 75930, 80992, 83523, 88585, 91116, 101240, 106302, 110880, 111364, 113895, 121488, 139205, 141736, 151860, 159453, 167046, 177170, 182232, 194887, 202480, 212604, 222728, 227790, 242976, 250569, 265755, 278410, 283472, 303720, 318906, 334092, 354340, 364464, 389774, 404960, 417615, 425208, 445456, 455580, 501138, 531510, 556820, 566944, 584661, 607440, 637812, 668184, 708680, 728928, 779548, 797265, 835230, 850416, 890912, 911160, 974435, 1002276, 1063020, 1113640, 1169322, 1214880, 1252845, 1275624, 1336368, 1417360, 1559096, 1594530, 1670460, 1700832, 1753983, 1822320, 1948870, 2004552, 2126040, 2227280, 2338644, 2505690, 2551248, 2672736, 2834720, 2923305, 3118192, 3189060, 3340920, 3507966, 3644640, 3897740, 4009104, 4252080, 4454560, 4677288, 5011380, 5102496, 5846610, 6236384, 6378120, 6681840, 7015932, 7795480, 8018208, 8504160, 8769915, 9354576, 10022760, 11693220, 12756240, 13363680, 14031864, 15590960, 17539830, 18709152, 20045520, 23386440, 25512480, 28063728, 31181920, 35079660, 40091040, 46772880, 56127456, 70159320, 93545760, 140318640, 280637280]

約数ペア:

[(1, 280637280), (2, 140318640), (3, 93545760), (4, 70159320), (5, 56127456), (6, 46772880), (7, 40091040), (8, 35079660), (9, 31181920), (10, 28063728), (11, 25512480), (12, 23386440), (14, 20045520), (15, 18709152), (16, 17539830), (18, 15590960), (20, 14031864), (21, 13363680), (22, 12756240), (24, 11693220), (28, 10022760), (30, 9354576), (32, 8769915), (33, 8504160), (35, 8018208), (36, 7795480), (40, 7015932), (42, 6681840), (44, 6378120), (45, 6236384), (48, 5846610), (55, 5102496), (56, 5011380), (60, 4677288), (63, 4454560), (66, 4252080), (70, 4009104), (72, 3897740), (77, 3644640), (80, 3507966), (84, 3340920), (88, 3189060), (90, 3118192), (96, 2923305), (99, 2834720), (105, 2672736), (110, 2551248), (112, 2505690), (120, 2338644), (126, 2227280), (132, 2126040), (140, 2004552), (144, 1948870), (154, 1822320), (160, 1753983), (165, 1700832), (168, 1670460), (176, 1594530), (180, 1559096), (198, 1417360), (210, 1336368), (220, 1275624), (224, 1252845), (231, 1214880), (240, 1169322), (252, 1113640), (264, 1063020), (280, 1002276), (288, 974435), (308, 911160), (315, 890912), (330, 850416), (336, 835230), (352, 797265), (360, 779548), (385, 728928), (396, 708680), (420, 668184), (440, 637812), (462, 607440), (480, 584661), (495, 566944), (504, 556820), (528, 531510), (560, 501138), (616, 455580), (630, 445456), (660, 425208), (672, 417615), (693, 404960), (720, 389774), (770, 364464), (792, 354340), (840, 334092), (880, 318906), (924, 303720), (990, 283472), (1008, 278410), (1056, 265755), (1120, 250569), (1155, 242976), (1232, 227790), (1260, 222728), (1320, 212604), (1386, 202480), (1440, 194887), (1540, 182232), (1584, 177170), (1680, 167046), (1760, 159453), (1848, 151860), (1980, 141736), (2016, 139205), (2310, 121488), (2464, 113895), (2520, 111364), (2531, 110880), (2640, 106302), (2772, 101240), (3080, 91116), (3168, 88585), (3360, 83523), (3465, 80992), (3696, 75930), (3960, 70868), (4620, 60744), (5040, 55682), (5062, 55440), (5280, 53151), (5544, 50620), (6160, 45558), (6930, 40496), (7392, 37965), (7593, 36960), (7920, 35434), (9240, 30372), (10080, 27841), (10124, 27720), (11088, 25310), (12320, 22779), (12655, 22176), (13860, 20248), (15186, 18480), (15840, 17717)]