20902723380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2057

約数の個数: 576

約数和(自身を含む): 85286154240

約数和(自身を除く): 64383430860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 27, 28, 30, 33, 35, 36, 42, 44, 45, 46, 54, 55, 60, 63, 66, 69, 70, 77, 84, 90, 92, 99, 105, 108, 110, 115, 121, 126, 132, 135, 138, 140, 154, 161, 165, 180, 189, 198, 207, 210, 220, 230, 231, 242, 252, 253, 270, 276, 297, 308, 315, 322, 330, 345, 363, 378, 385, 396, 414, 420, 460, 462, 483, 484, 495, 506, 540, 594, 605, 621, 630, 644, 660, 690, 693, 726, 756, 759, 770, 805, 828, 847, 924, 945, 966, 990, 1012, 1035, 1089, 1155, 1188, 1210, 1242, 1260, 1265, 1380, 1386, 1449, 1452, 1485, 1518, 1540, 1610, 1694, 1771, 1815, 1890, 1932, 1980, 1987, 2070, 2079, 2178, 2277, 2310, 2415, 2420, 2484, 2530, 2541, 2772, 2783, 2898, 2970, 3036, 3105, 3220, 3267, 3388, 3465, 3542, 3630, 3780, 3795, 3974, 4140, 4158, 4235, 4347, 4356, 4554, 4620, 4830, 5060, 5082, 5313, 5445, 5566, 5796, 5940, 5961, 6210, 6534, 6831, 6930, 7084, 7245, 7260, 7590, 7623, 7948, 8316, 8349, 8470, 8694, 8855, 9108, 9660, 9935, 10164, 10395, 10626, 10890, 11132, 11385, 11922, 12420, 12705, 13068, 13662, 13860, 13909, 13915, 14490, 15180, 15246, 15939, 16335, 16698, 16940, 17388, 17710, 17883, 19481, 19870, 20790, 21252, 21735, 21780, 21857, 22770, 22869, 23844, 25047, 25410, 26565, 27324, 27818, 27830, 28980, 29805, 30492, 31878, 32670, 33396, 34155, 35420, 35766, 38115, 38962, 39740, 41580, 41727, 41745, 43470, 43714, 45540, 45701, 45738, 47817, 50094, 50820, 53130, 53649, 55636, 55660, 58443, 59610, 63756, 65340, 65571, 68310, 69545, 71532, 75141, 76230, 77924, 79695, 83454, 83490, 86940, 87428, 89415, 91402, 91476, 95634, 97405, 100188, 106260, 107298, 109285, 114345, 116886, 119220, 125181, 125235, 131142, 136620, 137103, 139090, 150282, 152460, 152999, 159390, 166908, 166980, 175329, 178830, 182804, 191268, 194810, 196713, 208635, 214596, 218570, 228505, 228690, 233772, 239085, 240427, 250362, 250470, 262284, 268245, 274206, 278180, 292215, 300564, 305998, 318780, 319907, 327855, 350658, 357660, 375543, 375705, 389620, 393426, 411309, 417270, 437140, 457010, 457380, 458997, 478170, 480854, 500724, 500940, 502711, 525987, 536490, 548412, 584430, 590139, 611996, 625905, 639814, 655710, 685515, 701316, 721281, 751086, 751410, 764995, 786852, 822618, 834540, 876645, 914020, 917994, 956340, 959721, 961708, 983565, 1005422, 1051974, 1072980, 1168860, 1180278, 1202135, 1233927, 1251810, 1279628, 1311420, 1371030, 1376991, 1442562, 1502172, 1502820, 1508133, 1529990, 1599535, 1645236, 1682989, 1753290, 1835988, 1877715, 1919442, 1967130, 2010844, 2056545, 2103948, 2163843, 2294985, 2360556, 2404270, 2467854, 2503620, 2513555, 2629935, 2742060, 2753982, 2879163, 2885124, 2950695, 3016266, 3059980, 3199070, 3365978, 3506580, 3518977, 3606405, 3755430, 3838884, 3934260, 4113090, 4130973, 4327686, 4524399, 4589970, 4798605, 4808540, 4935708, 5027110, 5048967, 5259870, 5507964, 5529821, 5758326, 5901390, 6032532, 6169635, 6398140, 6491529, 6731956, 6884955, 7037954, 7212810, 7510860, 7540665, 8226180, 8261946, 8414945, 8637489, 8655372, 9048798, 9179940, 9597210, 10054220, 10097934, 10519740, 10556931, 10819215, 11059642, 11516652, 11802780, 12339270, 12983058, 13573197, 13769910, 14075908, 14395815, 14425620, 15081330, 15146901, 16523892, 16589463, 16829890, 17274978, 17594885, 18097596, 19194420, 20195868, 20654865, 21113862, 21638430, 22119284, 22621995, 24678540, 25244835, 25966116, 27146394, 27539820, 27649105, 28791630, 30162660, 30293802, 31670793, 32457645, 33178926, 33659780, 34549956, 35189770, 38708747, 41309730, 42227724, 43187445, 43276860, 45243990, 45440703, 49768389, 50489670, 52784655, 54292788, 55298210, 57583260, 60587604, 63341586, 64915290, 66357852, 67865985, 70379540, 75734505, 77417494, 82619460, 82947315, 86374890, 90487980, 90881406, 95012379, 99536778, 100979340, 105569310, 110596420, 116126241, 126683172, 129830580, 135731970, 149305167, 151469010, 154834988, 158353965, 165894630, 172749780, 181762812, 190024758, 193543735, 199073556, 211138620, 227203515, 232252482, 248841945, 271463940, 298610334, 302938020, 316707930, 331789260, 348378723, 380049516, 387087470, 454407030, 464504964, 475061895, 497683890, 580631205, 597220668, 633415860, 696757446, 746525835, 774174940, 908814060, 950123790, 995367780, 1045136169, 1161262410, 1393514892, 1493051670, 1741893615, 1900247580, 2090272338, 2322524820, 2986103340, 3483787230, 4180544676, 5225680845, 6967574460, 10451361690, 20902723380]

約数ペア:

[(1, 20902723380), (2, 10451361690), (3, 6967574460), (4, 5225680845), (5, 4180544676), (6, 3483787230), (7, 2986103340), (9, 2322524820), (10, 2090272338), (11, 1900247580), (12, 1741893615), (14, 1493051670), (15, 1393514892), (18, 1161262410), (20, 1045136169), (21, 995367780), (22, 950123790), (23, 908814060), (27, 774174940), (28, 746525835), (30, 696757446), (33, 633415860), (35, 597220668), (36, 580631205), (42, 497683890), (44, 475061895), (45, 464504964), (46, 454407030), (54, 387087470), (55, 380049516), (60, 348378723), (63, 331789260), (66, 316707930), (69, 302938020), (70, 298610334), (77, 271463940), (84, 248841945), (90, 232252482), (92, 227203515), (99, 211138620), (105, 199073556), (108, 193543735), (110, 190024758), (115, 181762812), (121, 172749780), (126, 165894630), (132, 158353965), (135, 154834988), (138, 151469010), (140, 149305167), (154, 135731970), (161, 129830580), (165, 126683172), (180, 116126241), (189, 110596420), (198, 105569310), (207, 100979340), (210, 99536778), (220, 95012379), (230, 90881406), (231, 90487980), (242, 86374890), (252, 82947315), (253, 82619460), (270, 77417494), (276, 75734505), (297, 70379540), (308, 67865985), (315, 66357852), (322, 64915290), (330, 63341586), (345, 60587604), (363, 57583260), (378, 55298210), (385, 54292788), (396, 52784655), (414, 50489670), (420, 49768389), (460, 45440703), (462, 45243990), (483, 43276860), (484, 43187445), (495, 42227724), (506, 41309730), (540, 38708747), (594, 35189770), (605, 34549956), (621, 33659780), (630, 33178926), (644, 32457645), (660, 31670793), (690, 30293802), (693, 30162660), (726, 28791630), (756, 27649105), (759, 27539820), (770, 27146394), (805, 25966116), (828, 25244835), (847, 24678540), (924, 22621995), (945, 22119284), (966, 21638430), (990, 21113862), (1012, 20654865), (1035, 20195868), (1089, 19194420), (1155, 18097596), (1188, 17594885), (1210, 17274978), (1242, 16829890), (1260, 16589463), (1265, 16523892), (1380, 15146901), (1386, 15081330), (1449, 14425620), (1452, 14395815), (1485, 14075908), (1518, 13769910), (1540, 13573197), (1610, 12983058), (1694, 12339270), (1771, 11802780), (1815, 11516652), (1890, 11059642), (1932, 10819215), (1980, 10556931), (1987, 10519740), (2070, 10097934), (2079, 10054220), (2178, 9597210), (2277, 9179940), (2310, 9048798), (2415, 8655372), (2420, 8637489), (2484, 8414945), (2530, 8261946), (2541, 8226180), (2772, 7540665), (2783, 7510860), (2898, 7212810), (2970, 7037954), (3036, 6884955), (3105, 6731956), (3220, 6491529), (3267, 6398140), (3388, 6169635), (3465, 6032532), (3542, 5901390), (3630, 5758326), (3780, 5529821), (3795, 5507964), (3974, 5259870), (4140, 5048967), (4158, 5027110), (4235, 4935708), (4347, 4808540), (4356, 4798605), (4554, 4589970), (4620, 4524399), (4830, 4327686), (5060, 4130973), (5082, 4113090), (5313, 3934260), (5445, 3838884), (5566, 3755430), (5796, 3606405), (5940, 3518977), (5961, 3506580), (6210, 3365978), (6534, 3199070), (6831, 3059980), (6930, 3016266), (7084, 2950695), (7245, 2885124), (7260, 2879163), (7590, 2753982), (7623, 2742060), (7948, 2629935), (8316, 2513555), (8349, 2503620), (8470, 2467854), (8694, 2404270), (8855, 2360556), (9108, 2294985), (9660, 2163843), (9935, 2103948), (10164, 2056545), (10395, 2010844), (10626, 1967130), (10890, 1919442), (11132, 1877715), (11385, 1835988), (11922, 1753290), (12420, 1682989), (12705, 1645236), (13068, 1599535), (13662, 1529990), (13860, 1508133), (13909, 1502820), (13915, 1502172), (14490, 1442562), (15180, 1376991), (15246, 1371030), (15939, 1311420), (16335, 1279628), (16698, 1251810), (16940, 1233927), (17388, 1202135), (17710, 1180278), (17883, 1168860), (19481, 1072980), (19870, 1051974), (20790, 1005422), (21252, 983565), (21735, 961708), (21780, 959721), (21857, 956340), (22770, 917994), (22869, 914020), (23844, 876645), (25047, 834540), (25410, 822618), (26565, 786852), (27324, 764995), (27818, 751410), (27830, 751086), (28980, 721281), (29805, 701316), (30492, 685515), (31878, 655710), (32670, 639814), (33396, 625905), (34155, 611996), (35420, 590139), (35766, 584430), (38115, 548412), (38962, 536490), (39740, 525987), (41580, 502711), (41727, 500940), (41745, 500724), (43470, 480854), (43714, 478170), (45540, 458997), (45701, 457380), (45738, 457010), (47817, 437140), (50094, 417270), (50820, 411309), (53130, 393426), (53649, 389620), (55636, 375705), (55660, 375543), (58443, 357660), (59610, 350658), (63756, 327855), (65340, 319907), (65571, 318780), (68310, 305998), (69545, 300564), (71532, 292215), (75141, 278180), (76230, 274206), (77924, 268245), (79695, 262284), (83454, 250470), (83490, 250362), (86940, 240427), (87428, 239085), (89415, 233772), (91402, 228690), (91476, 228505), (95634, 218570), (97405, 214596), (100188, 208635), (106260, 196713), (107298, 194810), (109285, 191268), (114345, 182804), (116886, 178830), (119220, 175329), (125181, 166980), (125235, 166908), (131142, 159390), (136620, 152999), (137103, 152460), (139090, 150282)]