20216502600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{15679}}^1$

素因数の和:16012

約数の個数: 192

約数和(自身を含む): 71862067200

約数和(自身を除く): 51645564600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 307, 350, 420, 525, 600, 614, 700, 840, 921, 1050, 1228, 1400, 1535, 1842, 2100, 2149, 2456, 3070, 3684, 4200, 4298, 4605, 6140, 6447, 7368, 7675, 8596, 9210, 10745, 12280, 12894, 15350, 15679, 17192, 18420, 21490, 23025, 25788, 30700, 31358, 32235, 36840, 42980, 46050, 47037, 51576, 53725, 61400, 62716, 64470, 78395, 85960, 92100, 94074, 107450, 109753, 125432, 128940, 156790, 161175, 184200, 188148, 214900, 219506, 235185, 257880, 313580, 322350, 329259, 376296, 391975, 429800, 439012, 470370, 548765, 627160, 644700, 658518, 783950, 878024, 940740, 1097530, 1175925, 1289400, 1317036, 1567900, 1646295, 1881480, 2195060, 2351850, 2634072, 2743825, 3135800, 3292590, 4390120, 4703700, 4813453, 5487650, 6585180, 8231475, 9407400, 9626906, 10975300, 13170360, 14440359, 16462950, 19253812, 21950600, 24067265, 28880718, 32925900, 33694171, 38507624, 48134530, 57761436, 65851800, 67388342, 72201795, 96269060, 101082513, 115522872, 120336325, 134776684, 144403590, 168470855, 192538120, 202165026, 240672650, 269553368, 288807180, 336941710, 361008975, 404330052, 481345300, 505412565, 577614360, 673883420, 722017950, 808660104, 842354275, 962690600, 1010825130, 1347766840, 1444035900, 1684708550, 2021650260, 2527062825, 2888071800, 3369417100, 4043300520, 5054125650, 6738834200, 10108251300, 20216502600]

約数ペア:

[(1, 20216502600), (2, 10108251300), (3, 6738834200), (4, 5054125650), (5, 4043300520), (6, 3369417100), (7, 2888071800), (8, 2527062825), (10, 2021650260), (12, 1684708550), (14, 1444035900), (15, 1347766840), (20, 1010825130), (21, 962690600), (24, 842354275), (25, 808660104), (28, 722017950), (30, 673883420), (35, 577614360), (40, 505412565), (42, 481345300), (50, 404330052), (56, 361008975), (60, 336941710), (70, 288807180), (75, 269553368), (84, 240672650), (100, 202165026), (105, 192538120), (120, 168470855), (140, 144403590), (150, 134776684), (168, 120336325), (175, 115522872), (200, 101082513), (210, 96269060), (280, 72201795), (300, 67388342), (307, 65851800), (350, 57761436), (420, 48134530), (525, 38507624), (600, 33694171), (614, 32925900), (700, 28880718), (840, 24067265), (921, 21950600), (1050, 19253812), (1228, 16462950), (1400, 14440359), (1535, 13170360), (1842, 10975300), (2100, 9626906), (2149, 9407400), (2456, 8231475), (3070, 6585180), (3684, 5487650), (4200, 4813453), (4298, 4703700), (4605, 4390120), (6140, 3292590), (6447, 3135800), (7368, 2743825), (7675, 2634072), (8596, 2351850), (9210, 2195060), (10745, 1881480), (12280, 1646295), (12894, 1567900), (15350, 1317036), (15679, 1289400), (17192, 1175925), (18420, 1097530), (21490, 940740), (23025, 878024), (25788, 783950), (30700, 658518), (31358, 644700), (32235, 627160), (36840, 548765), (42980, 470370), (46050, 439012), (47037, 429800), (51576, 391975), (53725, 376296), (61400, 329259), (62716, 322350), (64470, 313580), (78395, 257880), (85960, 235185), (92100, 219506), (94074, 214900), (107450, 188148), (109753, 184200), (125432, 161175), (128940, 156790)]