31821120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 224

約数和(自身を含む): 117043200

約数和(自身を除く): 85222080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 127, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 254, 261, 270, 288, 290, 320, 348, 360, 381, 432, 435, 464, 480, 508, 522, 540, 576, 580, 635, 696, 720, 762, 783, 864, 870, 928, 960, 1016, 1044, 1080, 1143, 1160, 1270, 1305, 1392, 1440, 1524, 1566, 1728, 1740, 1856, 1905, 2032, 2088, 2160, 2286, 2320, 2540, 2610, 2784, 2880, 3048, 3132, 3429, 3480, 3683, 3810, 3915, 4064, 4176, 4320, 4572, 4640, 5080, 5220, 5568, 5715, 6096, 6264, 6858, 6960, 7366, 7620, 7830, 8128, 8352, 8640, 9144, 9280, 10160, 10440, 11049, 11430, 12192, 12528, 13716, 13920, 14732, 15240, 15660, 16704, 17145, 18288, 18415, 20320, 20880, 22098, 22860, 24384, 25056, 27432, 27840, 29464, 30480, 31320, 33147, 34290, 36576, 36830, 40640, 41760, 44196, 45720, 50112, 54864, 55245, 58928, 60960, 62640, 66294, 68580, 73152, 73660, 83520, 88392, 91440, 99441, 109728, 110490, 117856, 121920, 125280, 132588, 137160, 147320, 165735, 176784, 182880, 198882, 219456, 220980, 235712, 250560, 265176, 274320, 294640, 331470, 353568, 365760, 397764, 441960, 497205, 530352, 548640, 589280, 662940, 707136, 795528, 883920, 994410, 1060704, 1097280, 1178560, 1325880, 1591056, 1767840, 1988820, 2121408, 2651760, 3182112, 3535680, 3977640, 5303520, 6364224, 7955280, 10607040, 15910560, 31821120]

約数ペア:

[(1, 31821120), (2, 15910560), (3, 10607040), (4, 7955280), (5, 6364224), (6, 5303520), (8, 3977640), (9, 3535680), (10, 3182112), (12, 2651760), (15, 2121408), (16, 1988820), (18, 1767840), (20, 1591056), (24, 1325880), (27, 1178560), (29, 1097280), (30, 1060704), (32, 994410), (36, 883920), (40, 795528), (45, 707136), (48, 662940), (54, 589280), (58, 548640), (60, 530352), (64, 497205), (72, 441960), (80, 397764), (87, 365760), (90, 353568), (96, 331470), (108, 294640), (116, 274320), (120, 265176), (127, 250560), (135, 235712), (144, 220980), (145, 219456), (160, 198882), (174, 182880), (180, 176784), (192, 165735), (216, 147320), (232, 137160), (240, 132588), (254, 125280), (261, 121920), (270, 117856), (288, 110490), (290, 109728), (320, 99441), (348, 91440), (360, 88392), (381, 83520), (432, 73660), (435, 73152), (464, 68580), (480, 66294), (508, 62640), (522, 60960), (540, 58928), (576, 55245), (580, 54864), (635, 50112), (696, 45720), (720, 44196), (762, 41760), (783, 40640), (864, 36830), (870, 36576), (928, 34290), (960, 33147), (1016, 31320), (1044, 30480), (1080, 29464), (1143, 27840), (1160, 27432), (1270, 25056), (1305, 24384), (1392, 22860), (1440, 22098), (1524, 20880), (1566, 20320), (1728, 18415), (1740, 18288), (1856, 17145), (1905, 16704), (2032, 15660), (2088, 15240), (2160, 14732), (2286, 13920), (2320, 13716), (2540, 12528), (2610, 12192), (2784, 11430), (2880, 11049), (3048, 10440), (3132, 10160), (3429, 9280), (3480, 9144), (3683, 8640), (3810, 8352), (3915, 8128), (4064, 7830), (4176, 7620), (4320, 7366), (4572, 6960), (4640, 6858), (5080, 6264), (5220, 6096), (5568, 5715)]