80491840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1800

約数の個数: 112

約数和(自身を含む): 225308160

約数和(自身を除く): 144816320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 704, 715, 832, 880, 1040, 1144, 1430, 1759, 1760, 2080, 2288, 2860, 3518, 3520, 4160, 4576, 5720, 7036, 8795, 9152, 11440, 14072, 17590, 19349, 22867, 22880, 28144, 35180, 38698, 45734, 45760, 56288, 70360, 77396, 91468, 96745, 112576, 114335, 140720, 154792, 182936, 193490, 228670, 251537, 281440, 309584, 365872, 386980, 457340, 503074, 562880, 619168, 731744, 773960, 914680, 1006148, 1238336, 1257685, 1463488, 1547920, 1829360, 2012296, 2515370, 3095840, 3658720, 4024592, 5030740, 6191680, 7317440, 8049184, 10061480, 16098368, 20122960, 40245920, 80491840]

約数ペア:

[(1, 80491840), (2, 40245920), (4, 20122960), (5, 16098368), (8, 10061480), (10, 8049184), (11, 7317440), (13, 6191680), (16, 5030740), (20, 4024592), (22, 3658720), (26, 3095840), (32, 2515370), (40, 2012296), (44, 1829360), (52, 1547920), (55, 1463488), (64, 1257685), (65, 1238336), (80, 1006148), (88, 914680), (104, 773960), (110, 731744), (130, 619168), (143, 562880), (160, 503074), (176, 457340), (208, 386980), (220, 365872), (260, 309584), (286, 281440), (320, 251537), (352, 228670), (416, 193490), (440, 182936), (520, 154792), (572, 140720), (704, 114335), (715, 112576), (832, 96745), (880, 91468), (1040, 77396), (1144, 70360), (1430, 56288), (1759, 45760), (1760, 45734), (2080, 38698), (2288, 35180), (2860, 28144), (3518, 22880), (3520, 22867), (4160, 19349), (4576, 17590), (5720, 14072), (7036, 11440), (8795, 9152)]