261112320

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1655

約数の個数: 240

約数和(自身を含む): 1034130240

約数和(自身を除く): 773017920

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, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1619, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3238, 3360, 3584, 3840, 4032, 4480, 4608, 4857, 5040, 5376, 5760, 6476, 6720, 7680, 8064, 8095, 8960, 9714, 10080, 10752, 11333, 11520, 12952, 13440, 14571, 16128, 16190, 17920, 19428, 20160, 22666, 23040, 24285, 25904, 26880, 29142, 32256, 32380, 33999, 38856, 40320, 45332, 48570, 51808, 53760, 56665, 58284, 64760, 67998, 72855, 77712, 80640, 90664, 97140, 101997, 103616, 113330, 116568, 129520, 135996, 145710, 155424, 161280, 169995, 181328, 194280, 203994, 207232, 226660, 233136, 259040, 271992, 291420, 310848, 339990, 362656, 388560, 407988, 414464, 453320, 466272, 509985, 518080, 543984, 582840, 621696, 679980, 725312, 777120, 815976, 828928, 906640, 932544, 1019970, 1036160, 1087968, 1165680, 1243392, 1359960, 1450624, 1554240, 1631952, 1813280, 1865088, 2039940, 2072320, 2175936, 2331360, 2486784, 2719920, 2901248, 3108480, 3263904, 3626560, 3730176, 4079880, 4144640, 4351872, 4662720, 5439840, 5802496, 6216960, 6527808, 7253120, 7460352, 8159760, 8703744, 9325440, 10879680, 12433920, 13055616, 14506240, 16319520, 17407488, 18650880, 21759360, 26111232, 29012480, 32639040, 37301760, 43518720, 52222464, 65278080, 87037440, 130556160, 261112320]

約数ペア:

[(1, 261112320), (2, 130556160), (3, 87037440), (4, 65278080), (5, 52222464), (6, 43518720), (7, 37301760), (8, 32639040), (9, 29012480), (10, 26111232), (12, 21759360), (14, 18650880), (15, 17407488), (16, 16319520), (18, 14506240), (20, 13055616), (21, 12433920), (24, 10879680), (28, 9325440), (30, 8703744), (32, 8159760), (35, 7460352), (36, 7253120), (40, 6527808), (42, 6216960), (45, 5802496), (48, 5439840), (56, 4662720), (60, 4351872), (63, 4144640), (64, 4079880), (70, 3730176), (72, 3626560), (80, 3263904), (84, 3108480), (90, 2901248), (96, 2719920), (105, 2486784), (112, 2331360), (120, 2175936), (126, 2072320), (128, 2039940), (140, 1865088), (144, 1813280), (160, 1631952), (168, 1554240), (180, 1450624), (192, 1359960), (210, 1243392), (224, 1165680), (240, 1087968), (252, 1036160), (256, 1019970), (280, 932544), (288, 906640), (315, 828928), (320, 815976), (336, 777120), (360, 725312), (384, 679980), (420, 621696), (448, 582840), (480, 543984), (504, 518080), (512, 509985), (560, 466272), (576, 453320), (630, 414464), (640, 407988), (672, 388560), (720, 362656), (768, 339990), (840, 310848), (896, 291420), (960, 271992), (1008, 259040), (1120, 233136), (1152, 226660), (1260, 207232), (1280, 203994), (1344, 194280), (1440, 181328), (1536, 169995), (1619, 161280), (1680, 155424), (1792, 145710), (1920, 135996), (2016, 129520), (2240, 116568), (2304, 113330), (2520, 103616), (2560, 101997), (2688, 97140), (2880, 90664), (3238, 80640), (3360, 77712), (3584, 72855), (3840, 67998), (4032, 64760), (4480, 58284), (4608, 56665), (4857, 53760), (5040, 51808), (5376, 48570), (5760, 45332), (6476, 40320), (6720, 38856), (7680, 33999), (8064, 32380), (8095, 32256), (8960, 29142), (9714, 26880), (10080, 25904), (10752, 24285), (11333, 23040), (11520, 22666), (12952, 20160), (13440, 19428), (14571, 17920), (16128, 16190)]