20440278720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4003}}^1$

素因数の和:4229

約数の個数: 280

約数和(自身を含む): 73097007984

約数和(自身を除く): 52656729264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 197, 216, 240, 270, 288, 320, 324, 360, 394, 405, 432, 480, 540, 576, 591, 648, 720, 788, 810, 864, 960, 985, 1080, 1182, 1296, 1440, 1576, 1620, 1728, 1773, 1970, 2160, 2364, 2592, 2880, 2955, 3152, 3240, 3546, 3940, 4003, 4320, 4728, 5184, 5319, 5910, 6304, 6480, 7092, 7880, 8006, 8640, 8865, 9456, 10638, 11820, 12009, 12608, 12960, 14184, 15760, 15957, 16012, 17730, 18912, 20015, 21276, 23640, 24018, 25920, 26595, 28368, 31520, 31914, 32024, 35460, 36027, 37824, 40030, 42552, 47280, 48036, 53190, 56736, 60045, 63040, 63828, 64048, 70920, 72054, 79785, 80060, 85104, 94560, 96072, 106380, 108081, 113472, 120090, 127656, 128096, 141840, 144108, 159570, 160120, 170208, 180135, 189120, 192144, 212760, 216162, 240180, 255312, 256192, 283680, 288216, 319140, 320240, 324243, 340416, 360270, 384288, 425520, 432324, 480360, 510624, 540405, 567360, 576432, 638280, 640480, 648486, 720540, 768576, 788591, 851040, 864648, 960720, 1021248, 1080810, 1152864, 1276560, 1280960, 1296972, 1441080, 1577182, 1621215, 1702080, 1729296, 1921440, 2161620, 2305728, 2365773, 2553120, 2593944, 2882160, 3154364, 3242430, 3458592, 3842880, 3942955, 4323240, 4731546, 5106240, 5187888, 5764320, 6308728, 6484860, 6917184, 7097319, 7885910, 8646480, 9463092, 10375776, 11528640, 11828865, 12617456, 12969720, 14194638, 15771820, 17292960, 18926184, 20751552, 21291957, 23657730, 25234912, 25939440, 28389276, 31543640, 34585920, 35486595, 37852368, 42583914, 47315460, 50469824, 51878880, 56778552, 63087280, 63875871, 70973190, 75704736, 85167828, 94630920, 103757760, 106459785, 113557104, 126174560, 127751742, 141946380, 151409472, 170335656, 189261840, 212919570, 227114208, 252349120, 255503484, 283892760, 319379355, 340671312, 378523680, 425839140, 454228416, 511006968, 567785520, 638758710, 681342624, 757047360, 851678280, 1022013936, 1135571040, 1277517420, 1362685248, 1703356560, 2044027872, 2271142080, 2555034840, 3406713120, 4088055744, 5110069680, 6813426240, 10220139360, 20440278720]

約数ペア:

[(1, 20440278720), (2, 10220139360), (3, 6813426240), (4, 5110069680), (5, 4088055744), (6, 3406713120), (8, 2555034840), (9, 2271142080), (10, 2044027872), (12, 1703356560), (15, 1362685248), (16, 1277517420), (18, 1135571040), (20, 1022013936), (24, 851678280), (27, 757047360), (30, 681342624), (32, 638758710), (36, 567785520), (40, 511006968), (45, 454228416), (48, 425839140), (54, 378523680), (60, 340671312), (64, 319379355), (72, 283892760), (80, 255503484), (81, 252349120), (90, 227114208), (96, 212919570), (108, 189261840), (120, 170335656), (135, 151409472), (144, 141946380), (160, 127751742), (162, 126174560), (180, 113557104), (192, 106459785), (197, 103757760), (216, 94630920), (240, 85167828), (270, 75704736), (288, 70973190), (320, 63875871), (324, 63087280), (360, 56778552), (394, 51878880), (405, 50469824), (432, 47315460), (480, 42583914), (540, 37852368), (576, 35486595), (591, 34585920), (648, 31543640), (720, 28389276), (788, 25939440), (810, 25234912), (864, 23657730), (960, 21291957), (985, 20751552), (1080, 18926184), (1182, 17292960), (1296, 15771820), (1440, 14194638), (1576, 12969720), (1620, 12617456), (1728, 11828865), (1773, 11528640), (1970, 10375776), (2160, 9463092), (2364, 8646480), (2592, 7885910), (2880, 7097319), (2955, 6917184), (3152, 6484860), (3240, 6308728), (3546, 5764320), (3940, 5187888), (4003, 5106240), (4320, 4731546), (4728, 4323240), (5184, 3942955), (5319, 3842880), (5910, 3458592), (6304, 3242430), (6480, 3154364), (7092, 2882160), (7880, 2593944), (8006, 2553120), (8640, 2365773), (8865, 2305728), (9456, 2161620), (10638, 1921440), (11820, 1729296), (12009, 1702080), (12608, 1621215), (12960, 1577182), (14184, 1441080), (15760, 1296972), (15957, 1280960), (16012, 1276560), (17730, 1152864), (18912, 1080810), (20015, 1021248), (21276, 960720), (23640, 864648), (24018, 851040), (25920, 788591), (26595, 768576), (28368, 720540), (31520, 648486), (31914, 640480), (32024, 638280), (35460, 576432), (36027, 567360), (37824, 540405), (40030, 510624), (42552, 480360), (47280, 432324), (48036, 425520), (53190, 384288), (56736, 360270), (60045, 340416), (63040, 324243), (63828, 320240), (64048, 319140), (70920, 288216), (72054, 283680), (79785, 256192), (80060, 255312), (85104, 240180), (94560, 216162), (96072, 212760), (106380, 192144), (108081, 189120), (113472, 180135), (120090, 170208), (127656, 160120), (128096, 159570), (141840, 144108)]