208509840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3761}}^1$

素因数の和:3798

約数の個数: 240

約数和(自身を含む): 873265536

約数和(自身を除く): 664755696

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, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3761, 3960, 4620, 5040, 5544, 6160, 6930, 7522, 7920, 9240, 11088, 11283, 13860, 15044, 18480, 18805, 22566, 26327, 27720, 30088, 33849, 37610, 41371, 45132, 52654, 55440, 56415, 60176, 67698, 75220, 78981, 82742, 90264, 105308, 112830, 124113, 131635, 135396, 150440, 157962, 165484, 169245, 180528, 206855, 210616, 225660, 236943, 248226, 263270, 270792, 289597, 300880, 315924, 330968, 338490, 372339, 394905, 413710, 421232, 451320, 473886, 496452, 526540, 541584, 579194, 620565, 631848, 661936, 676980, 744678, 789810, 827420, 868791, 902640, 947772, 992904, 1053080, 1158388, 1184715, 1241130, 1263696, 1353960, 1447985, 1489356, 1579620, 1654840, 1737582, 1861695, 1895544, 1985808, 2106160, 2316776, 2369430, 2482260, 2606373, 2707920, 2895970, 2978712, 3159240, 3309680, 3475164, 3723390, 3791088, 4343955, 4633552, 4738860, 4964520, 5212746, 5791940, 5957424, 6318480, 6950328, 7446780, 8687910, 9477720, 9929040, 10425492, 11583880, 13031865, 13900656, 14893560, 17375820, 18955440, 20850984, 23167760, 26063730, 29787120, 34751640, 41701968, 52127460, 69503280, 104254920, 208509840]

約数ペア:

[(1, 208509840), (2, 104254920), (3, 69503280), (4, 52127460), (5, 41701968), (6, 34751640), (7, 29787120), (8, 26063730), (9, 23167760), (10, 20850984), (11, 18955440), (12, 17375820), (14, 14893560), (15, 13900656), (16, 13031865), (18, 11583880), (20, 10425492), (21, 9929040), (22, 9477720), (24, 8687910), (28, 7446780), (30, 6950328), (33, 6318480), (35, 5957424), (36, 5791940), (40, 5212746), (42, 4964520), (44, 4738860), (45, 4633552), (48, 4343955), (55, 3791088), (56, 3723390), (60, 3475164), (63, 3309680), (66, 3159240), (70, 2978712), (72, 2895970), (77, 2707920), (80, 2606373), (84, 2482260), (88, 2369430), (90, 2316776), (99, 2106160), (105, 1985808), (110, 1895544), (112, 1861695), (120, 1737582), (126, 1654840), (132, 1579620), (140, 1489356), (144, 1447985), (154, 1353960), (165, 1263696), (168, 1241130), (176, 1184715), (180, 1158388), (198, 1053080), (210, 992904), (220, 947772), (231, 902640), (240, 868791), (252, 827420), (264, 789810), (280, 744678), (308, 676980), (315, 661936), (330, 631848), (336, 620565), (360, 579194), (385, 541584), (396, 526540), (420, 496452), (440, 473886), (462, 451320), (495, 421232), (504, 413710), (528, 394905), (560, 372339), (616, 338490), (630, 330968), (660, 315924), (693, 300880), (720, 289597), (770, 270792), (792, 263270), (840, 248226), (880, 236943), (924, 225660), (990, 210616), (1008, 206855), (1155, 180528), (1232, 169245), (1260, 165484), (1320, 157962), (1386, 150440), (1540, 135396), (1584, 131635), (1680, 124113), (1848, 112830), (1980, 105308), (2310, 90264), (2520, 82742), (2640, 78981), (2772, 75220), (3080, 67698), (3465, 60176), (3696, 56415), (3761, 55440), (3960, 52654), (4620, 45132), (5040, 41371), (5544, 37610), (6160, 33849), (6930, 30088), (7522, 27720), (7920, 26327), (9240, 22566), (11088, 18805), (11283, 18480), (13860, 15044)]