20728297920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:504

約数の個数: 448

約数和(自身を含む): 74158571520

約数和(自身を除く): 53430273600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 48, 55, 60, 64, 66, 80, 86, 88, 96, 110, 120, 129, 132, 160, 165, 172, 176, 191, 192, 215, 220, 239, 240, 258, 264, 320, 330, 344, 352, 382, 430, 440, 473, 478, 480, 516, 528, 573, 645, 660, 688, 704, 717, 764, 860, 880, 946, 955, 956, 960, 1032, 1056, 1146, 1195, 1290, 1320, 1376, 1419, 1434, 1528, 1720, 1760, 1892, 1910, 1912, 2064, 2101, 2112, 2292, 2365, 2390, 2580, 2629, 2640, 2752, 2838, 2865, 2868, 3056, 3440, 3520, 3585, 3784, 3820, 3824, 4128, 4202, 4584, 4730, 4780, 5160, 5258, 5280, 5676, 5730, 5736, 6112, 6303, 6880, 7095, 7170, 7568, 7640, 7648, 7887, 8213, 8256, 8404, 9168, 9460, 9560, 10277, 10320, 10505, 10516, 10560, 11352, 11460, 11472, 12224, 12606, 13145, 13760, 14190, 14340, 15136, 15280, 15296, 15774, 16426, 16808, 18336, 18920, 19120, 20554, 20640, 21010, 21032, 22704, 22920, 22944, 24639, 25212, 26290, 28380, 28680, 30272, 30560, 30831, 31515, 31548, 32852, 33616, 36672, 37840, 38240, 39435, 41065, 41108, 41280, 42020, 42064, 45408, 45649, 45840, 45888, 49278, 50424, 51385, 52580, 56760, 57360, 61120, 61662, 63030, 63096, 65704, 67232, 75680, 76480, 78870, 82130, 82216, 84040, 84128, 90343, 90816, 91298, 91680, 98556, 100848, 102770, 105160, 113047, 113520, 114720, 123195, 123324, 126060, 126192, 131408, 134464, 136947, 151360, 154155, 157740, 164260, 164432, 168080, 168256, 180686, 182596, 183360, 197112, 201696, 205540, 210320, 226094, 227040, 228245, 229440, 246390, 246648, 252120, 252384, 262816, 271029, 273894, 308310, 315480, 328520, 328864, 336160, 339141, 361372, 365192, 394224, 403392, 411080, 420640, 451715, 452188, 454080, 456490, 492780, 493296, 502139, 504240, 504768, 525632, 542058, 547788, 565235, 616620, 630960, 657040, 657728, 672320, 678282, 684735, 722744, 730384, 788448, 822160, 841280, 903430, 904376, 912980, 985560, 986592, 1004278, 1008480, 1084116, 1095576, 1130470, 1233240, 1261920, 1314080, 1355145, 1356564, 1369470, 1445488, 1460768, 1506417, 1576896, 1644320, 1695705, 1806860, 1808752, 1825960, 1962907, 1971120, 1973184, 2008556, 2016960, 2168232, 2191152, 2260940, 2466480, 2510695, 2523840, 2628160, 2710290, 2713128, 2738940, 2890976, 2921536, 3012834, 3288640, 3391410, 3613720, 3617504, 3651920, 3925814, 3942240, 4017112, 4336464, 4382304, 4521880, 4932960, 5021390, 5420580, 5426256, 5477880, 5781952, 5888721, 6025668, 6782820, 7227440, 7235008, 7303840, 7532085, 7851628, 7884480, 8034224, 8672928, 8764608, 9043760, 9814535, 9865920, 10042780, 10841160, 10852512, 10955760, 11777442, 12051336, 13565640, 14454880, 14607680, 15064170, 15703256, 16068448, 17345856, 18087520, 19629070, 20085560, 21591977, 21682320, 21705024, 21911520, 23554884, 24102672, 27131280, 28909760, 29443605, 30128340, 31406512, 32136896, 36175040, 39258140, 40171120, 43183954, 43364640, 43823040, 47109768, 48205344, 54262560, 58887210, 60256680, 62813024, 64775931, 78516280, 80342240, 86367908, 86729280, 94219536, 96410688, 107959885, 108525120, 117774420, 120513360, 125626048, 129551862, 157032560, 160684480, 172735816, 188439072, 215919770, 235548840, 241026720, 259103724, 314065120, 323879655, 345471632, 376878144, 431839540, 471097680, 482053440, 518207448, 628130240, 647759310, 690943264, 863679080, 942195360, 1036414896, 1295518620, 1381886528, 1727358160, 1884390720, 2072829792, 2591037240, 3454716320, 4145659584, 5182074480, 6909432640, 10364148960, 20728297920]

約数ペア:

[(1, 20728297920), (2, 10364148960), (3, 6909432640), (4, 5182074480), (5, 4145659584), (6, 3454716320), (8, 2591037240), (10, 2072829792), (11, 1884390720), (12, 1727358160), (15, 1381886528), (16, 1295518620), (20, 1036414896), (22, 942195360), (24, 863679080), (30, 690943264), (32, 647759310), (33, 628130240), (40, 518207448), (43, 482053440), (44, 471097680), (48, 431839540), (55, 376878144), (60, 345471632), (64, 323879655), (66, 314065120), (80, 259103724), (86, 241026720), (88, 235548840), (96, 215919770), (110, 188439072), (120, 172735816), (129, 160684480), (132, 157032560), (160, 129551862), (165, 125626048), (172, 120513360), (176, 117774420), (191, 108525120), (192, 107959885), (215, 96410688), (220, 94219536), (239, 86729280), (240, 86367908), (258, 80342240), (264, 78516280), (320, 64775931), (330, 62813024), (344, 60256680), (352, 58887210), (382, 54262560), (430, 48205344), (440, 47109768), (473, 43823040), (478, 43364640), (480, 43183954), (516, 40171120), (528, 39258140), (573, 36175040), (645, 32136896), (660, 31406512), (688, 30128340), (704, 29443605), (717, 28909760), (764, 27131280), (860, 24102672), (880, 23554884), (946, 21911520), (955, 21705024), (956, 21682320), (960, 21591977), (1032, 20085560), (1056, 19629070), (1146, 18087520), (1195, 17345856), (1290, 16068448), (1320, 15703256), (1376, 15064170), (1419, 14607680), (1434, 14454880), (1528, 13565640), (1720, 12051336), (1760, 11777442), (1892, 10955760), (1910, 10852512), (1912, 10841160), (2064, 10042780), (2101, 9865920), (2112, 9814535), (2292, 9043760), (2365, 8764608), (2390, 8672928), (2580, 8034224), (2629, 7884480), (2640, 7851628), (2752, 7532085), (2838, 7303840), (2865, 7235008), (2868, 7227440), (3056, 6782820), (3440, 6025668), (3520, 5888721), (3585, 5781952), (3784, 5477880), (3820, 5426256), (3824, 5420580), (4128, 5021390), (4202, 4932960), (4584, 4521880), (4730, 4382304), (4780, 4336464), (5160, 4017112), (5258, 3942240), (5280, 3925814), (5676, 3651920), (5730, 3617504), (5736, 3613720), (6112, 3391410), (6303, 3288640), (6880, 3012834), (7095, 2921536), (7170, 2890976), (7568, 2738940), (7640, 2713128), (7648, 2710290), (7887, 2628160), (8213, 2523840), (8256, 2510695), (8404, 2466480), (9168, 2260940), (9460, 2191152), (9560, 2168232), (10277, 2016960), (10320, 2008556), (10505, 1973184), (10516, 1971120), (10560, 1962907), (11352, 1825960), (11460, 1808752), (11472, 1806860), (12224, 1695705), (12606, 1644320), (13145, 1576896), (13760, 1506417), (14190, 1460768), (14340, 1445488), (15136, 1369470), (15280, 1356564), (15296, 1355145), (15774, 1314080), (16426, 1261920), (16808, 1233240), (18336, 1130470), (18920, 1095576), (19120, 1084116), (20554, 1008480), (20640, 1004278), (21010, 986592), (21032, 985560), (22704, 912980), (22920, 904376), (22944, 903430), (24639, 841280), (25212, 822160), (26290, 788448), (28380, 730384), (28680, 722744), (30272, 684735), (30560, 678282), (30831, 672320), (31515, 657728), (31548, 657040), (32852, 630960), (33616, 616620), (36672, 565235), (37840, 547788), (38240, 542058), (39435, 525632), (41065, 504768), (41108, 504240), (41280, 502139), (42020, 493296), (42064, 492780), (45408, 456490), (45649, 454080), (45840, 452188), (45888, 451715), (49278, 420640), (50424, 411080), (51385, 403392), (52580, 394224), (56760, 365192), (57360, 361372), (61120, 339141), (61662, 336160), (63030, 328864), (63096, 328520), (65704, 315480), (67232, 308310), (75680, 273894), (76480, 271029), (78870, 262816), (82130, 252384), (82216, 252120), (84040, 246648), (84128, 246390), (90343, 229440), (90816, 228245), (91298, 227040), (91680, 226094), (98556, 210320), (100848, 205540), (102770, 201696), (105160, 197112), (113047, 183360), (113520, 182596), (114720, 180686), (123195, 168256), (123324, 168080), (126060, 164432), (126192, 164260), (131408, 157740), (134464, 154155), (136947, 151360)]