20650446720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70297}}^1$

素因数の和:70342

約数の個数: 256

約数和(自身を含む): 77440276800

約数和(自身を除く): 56789830080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4320, 4590, 4896, 5440, 5760, 6120, 6528, 7344, 8160, 8640, 9180, 9792, 10880, 12240, 14688, 16320, 17280, 18360, 19584, 24480, 29376, 32640, 36720, 48960, 58752, 70297, 73440, 97920, 140594, 146880, 210891, 281188, 293760, 351485, 421782, 562376, 632673, 702970, 843564, 1054455, 1124752, 1195049, 1265346, 1405940, 1687128, 1898019, 2108910, 2249504, 2390098, 2530692, 2811880, 3163365, 3374256, 3585147, 3796038, 4217820, 4499008, 4780196, 5061384, 5623760, 5975245, 6326730, 6748512, 7170294, 7592076, 8435640, 8998016, 9490095, 9560392, 10122768, 10755441, 11247520, 11950490, 12653460, 13497024, 14340588, 15184152, 16871280, 17925735, 18980190, 19120784, 20245536, 21510882, 22495040, 23900980, 25306920, 26994048, 28681176, 30368304, 32266323, 33742560, 35851470, 37960380, 38241568, 40491072, 43021764, 44990080, 47801960, 50613840, 53777205, 57362352, 60736608, 64532646, 67485120, 71702940, 75920760, 76483136, 80982144, 86043528, 95603920, 101227680, 107554410, 114724704, 121473216, 129065292, 134970240, 143405880, 151841520, 152966272, 161331615, 172087056, 191207840, 202455360, 215108820, 229449408, 242946432, 258130584, 286811760, 303683040, 322663230, 344174112, 382415680, 404910720, 430217640, 458898816, 516261168, 573623520, 607366080, 645326460, 688348224, 764831360, 860435280, 1032522336, 1147247040, 1214732160, 1290652920, 1376696448, 1720870560, 2065044672, 2294494080, 2581305840, 3441741120, 4130089344, 5162611680, 6883482240, 10325223360, 20650446720]

約数ペア:

[(1, 20650446720), (2, 10325223360), (3, 6883482240), (4, 5162611680), (5, 4130089344), (6, 3441741120), (8, 2581305840), (9, 2294494080), (10, 2065044672), (12, 1720870560), (15, 1376696448), (16, 1290652920), (17, 1214732160), (18, 1147247040), (20, 1032522336), (24, 860435280), (27, 764831360), (30, 688348224), (32, 645326460), (34, 607366080), (36, 573623520), (40, 516261168), (45, 458898816), (48, 430217640), (51, 404910720), (54, 382415680), (60, 344174112), (64, 322663230), (68, 303683040), (72, 286811760), (80, 258130584), (85, 242946432), (90, 229449408), (96, 215108820), (102, 202455360), (108, 191207840), (120, 172087056), (128, 161331615), (135, 152966272), (136, 151841520), (144, 143405880), (153, 134970240), (160, 129065292), (170, 121473216), (180, 114724704), (192, 107554410), (204, 101227680), (216, 95603920), (240, 86043528), (255, 80982144), (270, 76483136), (272, 75920760), (288, 71702940), (306, 67485120), (320, 64532646), (340, 60736608), (360, 57362352), (384, 53777205), (408, 50613840), (432, 47801960), (459, 44990080), (480, 43021764), (510, 40491072), (540, 38241568), (544, 37960380), (576, 35851470), (612, 33742560), (640, 32266323), (680, 30368304), (720, 28681176), (765, 26994048), (816, 25306920), (864, 23900980), (918, 22495040), (960, 21510882), (1020, 20245536), (1080, 19120784), (1088, 18980190), (1152, 17925735), (1224, 16871280), (1360, 15184152), (1440, 14340588), (1530, 13497024), (1632, 12653460), (1728, 11950490), (1836, 11247520), (1920, 10755441), (2040, 10122768), (2160, 9560392), (2176, 9490095), (2295, 8998016), (2448, 8435640), (2720, 7592076), (2880, 7170294), (3060, 6748512), (3264, 6326730), (3456, 5975245), (3672, 5623760), (4080, 5061384), (4320, 4780196), (4590, 4499008), (4896, 4217820), (5440, 3796038), (5760, 3585147), (6120, 3374256), (6528, 3163365), (7344, 2811880), (8160, 2530692), (8640, 2390098), (9180, 2249504), (9792, 2108910), (10880, 1898019), (12240, 1687128), (14688, 1405940), (16320, 1265346), (17280, 1195049), (18360, 1124752), (19584, 1054455), (24480, 843564), (29376, 702970), (32640, 632673), (36720, 562376), (48960, 421782), (58752, 351485), (70297, 293760), (73440, 281188), (97920, 210891), (140594, 146880)]