643892480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 1977937920

約数和(自身を除く): 1334045440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 47, 55, 56, 64, 70, 77, 80, 88, 94, 110, 112, 128, 139, 140, 154, 160, 176, 188, 220, 224, 235, 256, 278, 280, 308, 320, 329, 352, 376, 385, 440, 448, 470, 517, 556, 560, 616, 640, 658, 695, 704, 752, 770, 880, 896, 940, 973, 1034, 1112, 1120, 1232, 1280, 1316, 1390, 1408, 1504, 1529, 1540, 1645, 1760, 1792, 1880, 1946, 2068, 2224, 2240, 2464, 2585, 2632, 2780, 2816, 3008, 3058, 3080, 3290, 3520, 3619, 3760, 3892, 4136, 4448, 4480, 4865, 4928, 5170, 5264, 5560, 6016, 6116, 6160, 6533, 6580, 7040, 7238, 7520, 7645, 7784, 8272, 8896, 8960, 9730, 9856, 10340, 10528, 10703, 11120, 12032, 12232, 12320, 13066, 13160, 14080, 14476, 15040, 15290, 15568, 16544, 17792, 18095, 19460, 19712, 20680, 21056, 21406, 22240, 24464, 24640, 26132, 26320, 28952, 30080, 30580, 31136, 32665, 33088, 35584, 36190, 38920, 41360, 42112, 42812, 44480, 45731, 48928, 49280, 52264, 52640, 53515, 57904, 60160, 61160, 62272, 65330, 66176, 71863, 72380, 77840, 82720, 84224, 85624, 88960, 91462, 97856, 98560, 104528, 105280, 107030, 115808, 122320, 124544, 130660, 132352, 143726, 144760, 155680, 165440, 171248, 177920, 182924, 195712, 209056, 210560, 214060, 228655, 231616, 244640, 249088, 261320, 287452, 289520, 311360, 330880, 342496, 359315, 365848, 391424, 418112, 421120, 428120, 457310, 463232, 489280, 503041, 522640, 574904, 579040, 622720, 661760, 684992, 718630, 731696, 836224, 856240, 914620, 926464, 978560, 1006082, 1045280, 1149808, 1158080, 1245440, 1369984, 1437260, 1463392, 1672448, 1712480, 1829240, 1957120, 2012164, 2090560, 2299616, 2316160, 2515205, 2739968, 2874520, 2926784, 3424960, 3658480, 4024328, 4181120, 4599232, 4632320, 5030410, 5749040, 5853568, 6849920, 7316960, 8048656, 8362240, 9198464, 10060820, 11498080, 11707136, 13699840, 14633920, 16097312, 18396928, 20121640, 22996160, 29267840, 32194624, 40243280, 45992320, 58535680, 64389248, 80486560, 91984640, 128778496, 160973120, 321946240, 643892480]

約数ペア:

[(1, 643892480), (2, 321946240), (4, 160973120), (5, 128778496), (7, 91984640), (8, 80486560), (10, 64389248), (11, 58535680), (14, 45992320), (16, 40243280), (20, 32194624), (22, 29267840), (28, 22996160), (32, 20121640), (35, 18396928), (40, 16097312), (44, 14633920), (47, 13699840), (55, 11707136), (56, 11498080), (64, 10060820), (70, 9198464), (77, 8362240), (80, 8048656), (88, 7316960), (94, 6849920), (110, 5853568), (112, 5749040), (128, 5030410), (139, 4632320), (140, 4599232), (154, 4181120), (160, 4024328), (176, 3658480), (188, 3424960), (220, 2926784), (224, 2874520), (235, 2739968), (256, 2515205), (278, 2316160), (280, 2299616), (308, 2090560), (320, 2012164), (329, 1957120), (352, 1829240), (376, 1712480), (385, 1672448), (440, 1463392), (448, 1437260), (470, 1369984), (517, 1245440), (556, 1158080), (560, 1149808), (616, 1045280), (640, 1006082), (658, 978560), (695, 926464), (704, 914620), (752, 856240), (770, 836224), (880, 731696), (896, 718630), (940, 684992), (973, 661760), (1034, 622720), (1112, 579040), (1120, 574904), (1232, 522640), (1280, 503041), (1316, 489280), (1390, 463232), (1408, 457310), (1504, 428120), (1529, 421120), (1540, 418112), (1645, 391424), (1760, 365848), (1792, 359315), (1880, 342496), (1946, 330880), (2068, 311360), (2224, 289520), (2240, 287452), (2464, 261320), (2585, 249088), (2632, 244640), (2780, 231616), (2816, 228655), (3008, 214060), (3058, 210560), (3080, 209056), (3290, 195712), (3520, 182924), (3619, 177920), (3760, 171248), (3892, 165440), (4136, 155680), (4448, 144760), (4480, 143726), (4865, 132352), (4928, 130660), (5170, 124544), (5264, 122320), (5560, 115808), (6016, 107030), (6116, 105280), (6160, 104528), (6533, 98560), (6580, 97856), (7040, 91462), (7238, 88960), (7520, 85624), (7645, 84224), (7784, 82720), (8272, 77840), (8896, 72380), (8960, 71863), (9730, 66176), (9856, 65330), (10340, 62272), (10528, 61160), (10703, 60160), (11120, 57904), (12032, 53515), (12232, 52640), (12320, 52264), (13066, 49280), (13160, 48928), (14080, 45731), (14476, 44480), (15040, 42812), (15290, 42112), (15568, 41360), (16544, 38920), (17792, 36190), (18095, 35584), (19460, 33088), (19712, 32665), (20680, 31136), (21056, 30580), (21406, 30080), (22240, 28952), (24464, 26320), (24640, 26132)]