81061560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 275996160

約数和(自身を除く): 194934600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 127, 135, 162, 180, 197, 216, 254, 270, 324, 360, 381, 394, 405, 508, 540, 591, 635, 648, 762, 788, 810, 985, 1016, 1080, 1143, 1182, 1270, 1524, 1576, 1620, 1773, 1905, 1970, 2286, 2364, 2540, 2955, 3048, 3240, 3429, 3546, 3810, 3940, 4572, 4728, 5080, 5319, 5715, 5910, 6858, 7092, 7620, 7880, 8865, 9144, 10287, 10638, 11430, 11820, 13716, 14184, 15240, 15957, 17145, 17730, 20574, 21276, 22860, 23640, 25019, 26595, 27432, 31914, 34290, 35460, 41148, 42552, 45720, 50038, 51435, 53190, 63828, 68580, 70920, 75057, 79785, 82296, 100076, 102870, 106380, 125095, 127656, 137160, 150114, 159570, 200152, 205740, 212760, 225171, 250190, 300228, 319140, 375285, 411480, 450342, 500380, 600456, 638280, 675513, 750570, 900684, 1000760, 1125855, 1351026, 1501140, 1801368, 2026539, 2251710, 2702052, 3002280, 3377565, 4053078, 4503420, 5404104, 6755130, 8106156, 9006840, 10132695, 13510260, 16212312, 20265390, 27020520, 40530780, 81061560]

約数ペア:

[(1, 81061560), (2, 40530780), (3, 27020520), (4, 20265390), (5, 16212312), (6, 13510260), (8, 10132695), (9, 9006840), (10, 8106156), (12, 6755130), (15, 5404104), (18, 4503420), (20, 4053078), (24, 3377565), (27, 3002280), (30, 2702052), (36, 2251710), (40, 2026539), (45, 1801368), (54, 1501140), (60, 1351026), (72, 1125855), (81, 1000760), (90, 900684), (108, 750570), (120, 675513), (127, 638280), (135, 600456), (162, 500380), (180, 450342), (197, 411480), (216, 375285), (254, 319140), (270, 300228), (324, 250190), (360, 225171), (381, 212760), (394, 205740), (405, 200152), (508, 159570), (540, 150114), (591, 137160), (635, 127656), (648, 125095), (762, 106380), (788, 102870), (810, 100076), (985, 82296), (1016, 79785), (1080, 75057), (1143, 70920), (1182, 68580), (1270, 63828), (1524, 53190), (1576, 51435), (1620, 50038), (1773, 45720), (1905, 42552), (1970, 41148), (2286, 35460), (2364, 34290), (2540, 31914), (2955, 27432), (3048, 26595), (3240, 25019), (3429, 23640), (3546, 22860), (3810, 21276), (3940, 20574), (4572, 17730), (4728, 17145), (5080, 15957), (5319, 15240), (5715, 14184), (5910, 13716), (6858, 11820), (7092, 11430), (7620, 10638), (7880, 10287), (8865, 9144)]