80486560

素因数分解:

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

素因数の和:219

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 163368800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 139, 140, 154, 160, 176, 188, 220, 224, 235, 278, 280, 308, 329, 352, 376, 385, 440, 470, 517, 556, 560, 616, 658, 695, 752, 770, 880, 940, 973, 1034, 1112, 1120, 1232, 1316, 1390, 1504, 1529, 1540, 1645, 1760, 1880, 1946, 2068, 2224, 2464, 2585, 2632, 2780, 3058, 3080, 3290, 3619, 3760, 3892, 4136, 4448, 4865, 5170, 5264, 5560, 6116, 6160, 6533, 6580, 7238, 7520, 7645, 7784, 8272, 9730, 10340, 10528, 10703, 11120, 12232, 12320, 13066, 13160, 14476, 15290, 15568, 16544, 18095, 19460, 20680, 21406, 22240, 24464, 26132, 26320, 28952, 30580, 31136, 32665, 36190, 38920, 41360, 42812, 45731, 48928, 52264, 52640, 53515, 57904, 61160, 65330, 71863, 72380, 77840, 82720, 85624, 91462, 104528, 107030, 115808, 122320, 130660, 143726, 144760, 155680, 171248, 182924, 209056, 214060, 228655, 244640, 261320, 287452, 289520, 342496, 359315, 365848, 428120, 457310, 503041, 522640, 574904, 579040, 718630, 731696, 856240, 914620, 1006082, 1045280, 1149808, 1437260, 1463392, 1712480, 1829240, 2012164, 2299616, 2515205, 2874520, 3658480, 4024328, 5030410, 5749040, 7316960, 8048656, 10060820, 11498080, 16097312, 20121640, 40243280, 80486560]

約数ペア:

[(1, 80486560), (2, 40243280), (4, 20121640), (5, 16097312), (7, 11498080), (8, 10060820), (10, 8048656), (11, 7316960), (14, 5749040), (16, 5030410), (20, 4024328), (22, 3658480), (28, 2874520), (32, 2515205), (35, 2299616), (40, 2012164), (44, 1829240), (47, 1712480), (55, 1463392), (56, 1437260), (70, 1149808), (77, 1045280), (80, 1006082), (88, 914620), (94, 856240), (110, 731696), (112, 718630), (139, 579040), (140, 574904), (154, 522640), (160, 503041), (176, 457310), (188, 428120), (220, 365848), (224, 359315), (235, 342496), (278, 289520), (280, 287452), (308, 261320), (329, 244640), (352, 228655), (376, 214060), (385, 209056), (440, 182924), (470, 171248), (517, 155680), (556, 144760), (560, 143726), (616, 130660), (658, 122320), (695, 115808), (752, 107030), (770, 104528), (880, 91462), (940, 85624), (973, 82720), (1034, 77840), (1112, 72380), (1120, 71863), (1232, 65330), (1316, 61160), (1390, 57904), (1504, 53515), (1529, 52640), (1540, 52264), (1645, 48928), (1760, 45731), (1880, 42812), (1946, 41360), (2068, 38920), (2224, 36190), (2464, 32665), (2585, 31136), (2632, 30580), (2780, 28952), (3058, 26320), (3080, 26132), (3290, 24464), (3619, 22240), (3760, 21406), (3892, 20680), (4136, 19460), (4448, 18095), (4865, 16544), (5170, 15568), (5264, 15290), (5560, 14476), (6116, 13160), (6160, 13066), (6533, 12320), (6580, 12232), (7238, 11120), (7520, 10703), (7645, 10528), (7784, 10340), (8272, 9730)]