2561217120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23099}}^1$

素因数の和:23138

約数の個数: 288

約数和(自身を含む): 10897286400

約数和(自身を除く): 8336069280

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, 2640, 2772, 3080, 3168, 3360, 3465, 3696, 3960, 4620, 5040, 5280, 5544, 6160, 6930, 7392, 7920, 9240, 10080, 11088, 12320, 13860, 15840, 18480, 22176, 23099, 27720, 36960, 46198, 55440, 69297, 92396, 110880, 115495, 138594, 161693, 184792, 207891, 230990, 254089, 277188, 323386, 346485, 369584, 415782, 461980, 485079, 508178, 554376, 646772, 692970, 739168, 762267, 808465, 831564, 923960, 970158, 1016356, 1039455, 1108752, 1270445, 1293544, 1385940, 1455237, 1524534, 1616930, 1663128, 1778623, 1847920, 1940316, 2032712, 2078910, 2217504, 2286801, 2425395, 2540890, 2587088, 2771880, 2910474, 3049068, 3233860, 3326256, 3557246, 3695840, 3811335, 3880632, 4065424, 4157820, 4573602, 4850790, 5081780, 5174176, 5335869, 5543760, 5820948, 6098136, 6467720, 6652512, 7114492, 7276185, 7622670, 7761264, 8130848, 8315640, 8893115, 9147204, 9701580, 10163560, 10671738, 11087520, 11434005, 11641896, 12196272, 12935440, 14228984, 14552370, 15245340, 15522528, 16007607, 16631280, 17786230, 18294408, 19403160, 20327120, 21343476, 22868010, 23283792, 24392544, 25870880, 26679345, 28457968, 29104740, 30490680, 32015214, 33262560, 35572460, 36588816, 38806320, 40654240, 42686952, 45736020, 46567584, 53358690, 56915936, 58209480, 60981360, 64030428, 71144920, 73177632, 77612640, 80038035, 85373904, 91472040, 106717380, 116418960, 121962720, 128060856, 142289840, 160076070, 170747808, 182944080, 213434760, 232837920, 256121712, 284579680, 320152140, 365888160, 426869520, 512243424, 640304280, 853739040, 1280608560, 2561217120]

約数ペア:

[(1, 2561217120), (2, 1280608560), (3, 853739040), (4, 640304280), (5, 512243424), (6, 426869520), (7, 365888160), (8, 320152140), (9, 284579680), (10, 256121712), (11, 232837920), (12, 213434760), (14, 182944080), (15, 170747808), (16, 160076070), (18, 142289840), (20, 128060856), (21, 121962720), (22, 116418960), (24, 106717380), (28, 91472040), (30, 85373904), (32, 80038035), (33, 77612640), (35, 73177632), (36, 71144920), (40, 64030428), (42, 60981360), (44, 58209480), (45, 56915936), (48, 53358690), (55, 46567584), (56, 45736020), (60, 42686952), (63, 40654240), (66, 38806320), (70, 36588816), (72, 35572460), (77, 33262560), (80, 32015214), (84, 30490680), (88, 29104740), (90, 28457968), (96, 26679345), (99, 25870880), (105, 24392544), (110, 23283792), (112, 22868010), (120, 21343476), (126, 20327120), (132, 19403160), (140, 18294408), (144, 17786230), (154, 16631280), (160, 16007607), (165, 15522528), (168, 15245340), (176, 14552370), (180, 14228984), (198, 12935440), (210, 12196272), (220, 11641896), (224, 11434005), (231, 11087520), (240, 10671738), (252, 10163560), (264, 9701580), (280, 9147204), (288, 8893115), (308, 8315640), (315, 8130848), (330, 7761264), (336, 7622670), (352, 7276185), (360, 7114492), (385, 6652512), (396, 6467720), (420, 6098136), (440, 5820948), (462, 5543760), (480, 5335869), (495, 5174176), (504, 5081780), (528, 4850790), (560, 4573602), (616, 4157820), (630, 4065424), (660, 3880632), (672, 3811335), (693, 3695840), (720, 3557246), (770, 3326256), (792, 3233860), (840, 3049068), (880, 2910474), (924, 2771880), (990, 2587088), (1008, 2540890), (1056, 2425395), (1120, 2286801), (1155, 2217504), (1232, 2078910), (1260, 2032712), (1320, 1940316), (1386, 1847920), (1440, 1778623), (1540, 1663128), (1584, 1616930), (1680, 1524534), (1760, 1455237), (1848, 1385940), (1980, 1293544), (2016, 1270445), (2310, 1108752), (2464, 1039455), (2520, 1016356), (2640, 970158), (2772, 923960), (3080, 831564), (3168, 808465), (3360, 762267), (3465, 739168), (3696, 692970), (3960, 646772), (4620, 554376), (5040, 508178), (5280, 485079), (5544, 461980), (6160, 415782), (6930, 369584), (7392, 346485), (7920, 323386), (9240, 277188), (10080, 254089), (11088, 230990), (12320, 207891), (13860, 184792), (15840, 161693), (18480, 138594), (22176, 115495), (23099, 110880), (27720, 92396), (36960, 69297), (46198, 55440)]