77321781680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{9533}}^1$

素因数の和:10279

約数の個数: 160

約数和(自身を含む): 211522086720

約数和(自身を除く): 134200305040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 709, 715, 880, 1040, 1144, 1418, 1430, 2288, 2836, 2860, 3545, 5672, 5720, 7090, 7799, 9217, 9533, 11344, 11440, 14180, 15598, 18434, 19066, 28360, 31196, 36868, 38132, 38995, 46085, 47665, 56720, 62392, 73736, 76264, 77990, 92170, 95330, 101387, 104863, 123929, 124784, 147472, 152528, 155980, 184340, 190660, 202774, 209726, 247858, 311960, 368680, 381320, 405548, 419452, 495716, 506935, 524315, 619645, 623920, 737360, 762640, 811096, 838904, 991432, 1013870, 1048630, 1239290, 1363219, 1622192, 1677808, 1982864, 2027740, 2097260, 2478580, 2726438, 4055480, 4194520, 4957160, 5452876, 6758897, 6816095, 8110960, 8389040, 9914320, 10905752, 13517794, 13632190, 21811504, 27035588, 27264380, 33794485, 54071176, 54528760, 67588970, 74347867, 87865661, 108142352, 109057520, 135177940, 148695734, 175731322, 270355880, 297391468, 351462644, 371739335, 439328305, 540711760, 594782936, 702925288, 743478670, 878656610, 966522271, 1189565872, 1405850576, 1486957340, 1757313220, 1933044542, 2973914680, 3514626440, 3866089084, 4832611355, 5947829360, 7029252880, 7732178168, 9665222710, 15464356336, 19330445420, 38660890840, 77321781680]

約数ペア:

[(1, 77321781680), (2, 38660890840), (4, 19330445420), (5, 15464356336), (8, 9665222710), (10, 7732178168), (11, 7029252880), (13, 5947829360), (16, 4832611355), (20, 3866089084), (22, 3514626440), (26, 2973914680), (40, 1933044542), (44, 1757313220), (52, 1486957340), (55, 1405850576), (65, 1189565872), (80, 966522271), (88, 878656610), (104, 743478670), (110, 702925288), (130, 594782936), (143, 540711760), (176, 439328305), (208, 371739335), (220, 351462644), (260, 297391468), (286, 270355880), (440, 175731322), (520, 148695734), (572, 135177940), (709, 109057520), (715, 108142352), (880, 87865661), (1040, 74347867), (1144, 67588970), (1418, 54528760), (1430, 54071176), (2288, 33794485), (2836, 27264380), (2860, 27035588), (3545, 21811504), (5672, 13632190), (5720, 13517794), (7090, 10905752), (7799, 9914320), (9217, 8389040), (9533, 8110960), (11344, 6816095), (11440, 6758897), (14180, 5452876), (15598, 4957160), (18434, 4194520), (19066, 4055480), (28360, 2726438), (31196, 2478580), (36868, 2097260), (38132, 2027740), (38995, 1982864), (46085, 1677808), (47665, 1622192), (56720, 1363219), (62392, 1239290), (73736, 1048630), (76264, 1013870), (77990, 991432), (92170, 838904), (95330, 811096), (101387, 762640), (104863, 737360), (123929, 623920), (124784, 619645), (147472, 524315), (152528, 506935), (155980, 495716), (184340, 419452), (190660, 405548), (202774, 381320), (209726, 368680), (247858, 311960)]