20728764000

素因数分解:

$2^5\times 3^3\times 5^3\times 7^2\times {\mathrm{3917}}^1$

素因数の和:3965

約数の個数: 576

約数和(自身を含む): 87793917120

約数和(自身を除く): 67065153120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 50, 54, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 98, 100, 105, 108, 112, 120, 125, 126, 135, 140, 144, 147, 150, 160, 168, 175, 180, 189, 196, 200, 210, 216, 224, 225, 240, 245, 250, 252, 270, 280, 288, 294, 300, 315, 336, 350, 360, 375, 378, 392, 400, 420, 432, 441, 450, 480, 490, 500, 504, 525, 540, 560, 588, 600, 630, 672, 675, 700, 720, 735, 750, 756, 784, 800, 840, 864, 875, 882, 900, 945, 980, 1000, 1008, 1050, 1080, 1120, 1125, 1176, 1200, 1225, 1260, 1323, 1350, 1400, 1440, 1470, 1500, 1512, 1568, 1575, 1680, 1750, 1764, 1800, 1890, 1960, 2000, 2016, 2100, 2160, 2205, 2250, 2352, 2400, 2450, 2520, 2625, 2646, 2700, 2800, 2940, 3000, 3024, 3150, 3360, 3375, 3500, 3528, 3600, 3675, 3780, 3917, 3920, 4000, 4200, 4320, 4410, 4500, 4704, 4725, 4900, 5040, 5250, 5292, 5400, 5600, 5880, 6000, 6048, 6125, 6300, 6615, 6750, 7000, 7056, 7200, 7350, 7560, 7834, 7840, 7875, 8400, 8820, 9000, 9450, 9800, 10080, 10500, 10584, 10800, 11025, 11751, 11760, 12000, 12250, 12600, 13230, 13500, 14000, 14112, 14700, 15120, 15668, 15750, 16800, 17640, 18000, 18375, 18900, 19585, 19600, 21000, 21168, 21600, 22050, 23502, 23520, 23625, 24500, 25200, 26460, 27000, 27419, 28000, 29400, 30240, 31336, 31500, 33075, 35253, 35280, 36000, 36750, 37800, 39170, 39200, 42000, 42336, 44100, 47004, 47250, 49000, 50400, 52920, 54000, 54838, 55125, 58755, 58800, 62672, 63000, 66150, 70506, 70560, 73500, 75600, 78340, 82257, 84000, 88200, 94008, 94500, 97925, 98000, 105759, 105840, 108000, 109676, 110250, 117510, 117600, 125344, 126000, 132300, 137095, 141012, 147000, 151200, 156680, 164514, 165375, 176265, 176400, 188016, 189000, 191933, 195850, 196000, 211518, 211680, 219352, 220500, 235020, 246771, 252000, 264600, 274190, 282024, 293775, 294000, 313360, 329028, 330750, 352530, 352800, 376032, 378000, 383866, 391700, 411285, 423036, 438704, 441000, 470040, 489625, 493542, 528795, 529200, 548380, 564048, 575799, 587550, 588000, 626720, 658056, 661500, 685475, 705060, 740313, 756000, 767732, 783400, 822570, 846072, 877408, 881325, 882000, 940080, 959665, 979250, 987084, 1057590, 1058400, 1096760, 1128096, 1151598, 1175100, 1233855, 1316112, 1323000, 1370950, 1410120, 1468875, 1480626, 1535464, 1566800, 1645140, 1692144, 1727397, 1762650, 1764000, 1880160, 1919330, 1958500, 1974168, 2056425, 2115180, 2193520, 2303196, 2350200, 2467710, 2632224, 2643975, 2646000, 2741900, 2820240, 2878995, 2937750, 2961252, 3070928, 3133600, 3290280, 3384288, 3427375, 3454794, 3525300, 3701565, 3838660, 3917000, 3948336, 4112850, 4230360, 4387040, 4406625, 4606392, 4700400, 4798325, 4935420, 5182191, 5287950, 5292000, 5483800, 5640480, 5757990, 5875500, 5922504, 6141856, 6169275, 6580560, 6854750, 6909588, 7050600, 7403130, 7677320, 7834000, 7896672, 8225700, 8460720, 8636985, 8813250, 9212784, 9400800, 9596650, 9870840, 10282125, 10364382, 10575900, 10967600, 11515980, 11751000, 11845008, 12338550, 13161120, 13219875, 13709500, 13819176, 14101200, 14394975, 14806260, 15354640, 15668000, 16451400, 16921440, 17273970, 17626500, 18425568, 18507825, 19193300, 19741680, 20564250, 20728764, 21151800, 21935200, 23031960, 23502000, 23690016, 23991625, 24677100, 25910955, 26439750, 27419000, 27638352, 28202400, 28789950, 29612520, 30709280, 30846375, 32902800, 34547940, 35253000, 37015650, 38386600, 39483360, 41128500, 41457528, 42303600, 43184925, 46063920, 47004000, 47983250, 49354200, 51821910, 52879500, 54838000, 55276704, 57579900, 59225040, 61692750, 65805600, 69095880, 70506000, 71974875, 74031300, 76773200, 82257000, 82915056, 84607200, 86369850, 92127840, 92539125, 95966500, 98708400, 103643820, 105759000, 109676000, 115159800, 118450080, 123385500, 129554775, 138191760, 141012000, 143949750, 148062600, 153546400, 164514000, 165830112, 172739700, 185078250, 191933000, 197416800, 207287640, 211518000, 215924625, 230319600, 246771000, 259109550, 276383520, 287899500, 296125200, 329028000, 345479400, 370156500, 383866000, 414575280, 423036000, 431849250, 460639200, 493542000, 518219100, 575799000, 592250400, 647773875, 690958800, 740313000, 767732000, 829150560, 863698500, 987084000, 1036438200, 1151598000, 1295547750, 1381917600, 1480626000, 1727397000, 2072876400, 2303196000, 2591095500, 2961252000, 3454794000, 4145752800, 5182191000, 6909588000, 10364382000, 20728764000]

約数ペア:

[(1, 20728764000), (2, 10364382000), (3, 6909588000), (4, 5182191000), (5, 4145752800), (6, 3454794000), (7, 2961252000), (8, 2591095500), (9, 2303196000), (10, 2072876400), (12, 1727397000), (14, 1480626000), (15, 1381917600), (16, 1295547750), (18, 1151598000), (20, 1036438200), (21, 987084000), (24, 863698500), (25, 829150560), (27, 767732000), (28, 740313000), (30, 690958800), (32, 647773875), (35, 592250400), (36, 575799000), (40, 518219100), (42, 493542000), (45, 460639200), (48, 431849250), (49, 423036000), (50, 414575280), (54, 383866000), (56, 370156500), (60, 345479400), (63, 329028000), (70, 296125200), (72, 287899500), (75, 276383520), (80, 259109550), (84, 246771000), (90, 230319600), (96, 215924625), (98, 211518000), (100, 207287640), (105, 197416800), (108, 191933000), (112, 185078250), (120, 172739700), (125, 165830112), (126, 164514000), (135, 153546400), (140, 148062600), (144, 143949750), (147, 141012000), (150, 138191760), (160, 129554775), (168, 123385500), (175, 118450080), (180, 115159800), (189, 109676000), (196, 105759000), (200, 103643820), (210, 98708400), (216, 95966500), (224, 92539125), (225, 92127840), (240, 86369850), (245, 84607200), (250, 82915056), (252, 82257000), (270, 76773200), (280, 74031300), (288, 71974875), (294, 70506000), (300, 69095880), (315, 65805600), (336, 61692750), (350, 59225040), (360, 57579900), (375, 55276704), (378, 54838000), (392, 52879500), (400, 51821910), (420, 49354200), (432, 47983250), (441, 47004000), (450, 46063920), (480, 43184925), (490, 42303600), (500, 41457528), (504, 41128500), (525, 39483360), (540, 38386600), (560, 37015650), (588, 35253000), (600, 34547940), (630, 32902800), (672, 30846375), (675, 30709280), (700, 29612520), (720, 28789950), (735, 28202400), (750, 27638352), (756, 27419000), (784, 26439750), (800, 25910955), (840, 24677100), (864, 23991625), (875, 23690016), (882, 23502000), (900, 23031960), (945, 21935200), (980, 21151800), (1000, 20728764), (1008, 20564250), (1050, 19741680), (1080, 19193300), (1120, 18507825), (1125, 18425568), (1176, 17626500), (1200, 17273970), (1225, 16921440), (1260, 16451400), (1323, 15668000), (1350, 15354640), (1400, 14806260), (1440, 14394975), (1470, 14101200), (1500, 13819176), (1512, 13709500), (1568, 13219875), (1575, 13161120), (1680, 12338550), (1750, 11845008), (1764, 11751000), (1800, 11515980), (1890, 10967600), (1960, 10575900), (2000, 10364382), (2016, 10282125), (2100, 9870840), (2160, 9596650), (2205, 9400800), (2250, 9212784), (2352, 8813250), (2400, 8636985), (2450, 8460720), (2520, 8225700), (2625, 7896672), (2646, 7834000), (2700, 7677320), (2800, 7403130), (2940, 7050600), (3000, 6909588), (3024, 6854750), (3150, 6580560), (3360, 6169275), (3375, 6141856), (3500, 5922504), (3528, 5875500), (3600, 5757990), (3675, 5640480), (3780, 5483800), (3917, 5292000), (3920, 5287950), (4000, 5182191), (4200, 4935420), (4320, 4798325), (4410, 4700400), (4500, 4606392), (4704, 4406625), (4725, 4387040), (4900, 4230360), (5040, 4112850), (5250, 3948336), (5292, 3917000), (5400, 3838660), (5600, 3701565), (5880, 3525300), (6000, 3454794), (6048, 3427375), (6125, 3384288), (6300, 3290280), (6615, 3133600), (6750, 3070928), (7000, 2961252), (7056, 2937750), (7200, 2878995), (7350, 2820240), (7560, 2741900), (7834, 2646000), (7840, 2643975), (7875, 2632224), (8400, 2467710), (8820, 2350200), (9000, 2303196), (9450, 2193520), (9800, 2115180), (10080, 2056425), (10500, 1974168), (10584, 1958500), (10800, 1919330), (11025, 1880160), (11751, 1764000), (11760, 1762650), (12000, 1727397), (12250, 1692144), (12600, 1645140), (13230, 1566800), (13500, 1535464), (14000, 1480626), (14112, 1468875), (14700, 1410120), (15120, 1370950), (15668, 1323000), (15750, 1316112), (16800, 1233855), (17640, 1175100), (18000, 1151598), (18375, 1128096), (18900, 1096760), (19585, 1058400), (19600, 1057590), (21000, 987084), (21168, 979250), (21600, 959665), (22050, 940080), (23502, 882000), (23520, 881325), (23625, 877408), (24500, 846072), (25200, 822570), (26460, 783400), (27000, 767732), (27419, 756000), (28000, 740313), (29400, 705060), (30240, 685475), (31336, 661500), (31500, 658056), (33075, 626720), (35253, 588000), (35280, 587550), (36000, 575799), (36750, 564048), (37800, 548380), (39170, 529200), (39200, 528795), (42000, 493542), (42336, 489625), (44100, 470040), (47004, 441000), (47250, 438704), (49000, 423036), (50400, 411285), (52920, 391700), (54000, 383866), (54838, 378000), (55125, 376032), (58755, 352800), (58800, 352530), (62672, 330750), (63000, 329028), (66150, 313360), (70506, 294000), (70560, 293775), (73500, 282024), (75600, 274190), (78340, 264600), (82257, 252000), (84000, 246771), (88200, 235020), (94008, 220500), (94500, 219352), (97925, 211680), (98000, 211518), (105759, 196000), (105840, 195850), (108000, 191933), (109676, 189000), (110250, 188016), (117510, 176400), (117600, 176265), (125344, 165375), (126000, 164514), (132300, 156680), (137095, 151200), (141012, 147000)]