2181402720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:978

約数の個数: 288

約数和(自身を含む): 8544856320

約数和(自身を除く): 6363453600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 379, 420, 480, 504, 560, 571, 630, 672, 720, 758, 840, 1008, 1120, 1137, 1142, 1260, 1440, 1516, 1680, 1713, 1895, 2016, 2274, 2284, 2520, 2653, 2855, 3032, 3360, 3411, 3426, 3790, 3997, 4548, 4568, 5040, 5139, 5306, 5685, 5710, 6064, 6822, 6852, 7580, 7959, 7994, 8565, 9096, 9136, 10080, 10278, 10612, 11370, 11420, 11991, 12128, 13265, 13644, 13704, 15160, 15918, 15988, 17055, 17130, 18192, 18272, 19985, 20556, 21224, 22740, 22840, 23877, 23982, 25695, 26530, 27288, 27408, 30320, 31836, 31976, 34110, 34260, 35973, 36384, 39795, 39970, 41112, 42448, 45480, 45680, 47754, 47964, 51390, 53060, 54576, 54816, 59955, 60640, 63672, 63952, 68220, 68520, 71946, 79590, 79940, 82224, 84896, 90960, 91360, 95508, 95928, 102780, 106120, 109152, 119385, 119910, 127344, 127904, 136440, 137040, 143892, 159180, 159880, 164448, 179865, 181920, 191016, 191856, 205560, 212240, 216409, 238770, 239820, 254688, 272880, 274080, 287784, 318360, 319760, 359730, 382032, 383712, 411120, 424480, 432818, 477540, 479640, 545760, 575568, 636720, 639520, 649227, 719460, 764064, 822240, 865636, 955080, 959280, 1082045, 1151136, 1273440, 1298454, 1438920, 1514863, 1731272, 1910160, 1918560, 1947681, 2164090, 2596908, 2877840, 3029726, 3246135, 3462544, 3820320, 3895362, 4328180, 4544589, 5193816, 5755680, 6059452, 6492270, 6925088, 7574315, 7790724, 8656360, 9089178, 9738405, 10387632, 12118904, 12984540, 13633767, 15148630, 15581448, 17312720, 18178356, 19476810, 20775264, 22722945, 24237808, 25969080, 27267534, 30297260, 31162896, 34625440, 36356712, 38953620, 45445890, 48475616, 51938160, 54535068, 60594520, 62325792, 68168835, 72713424, 77907240, 90891780, 103876320, 109070136, 121189040, 136337670, 145426848, 155814480, 181783560, 218140272, 242378080, 272675340, 311628960, 363567120, 436280544, 545350680, 727134240, 1090701360, 2181402720]

約数ペア:

[(1, 2181402720), (2, 1090701360), (3, 727134240), (4, 545350680), (5, 436280544), (6, 363567120), (7, 311628960), (8, 272675340), (9, 242378080), (10, 218140272), (12, 181783560), (14, 155814480), (15, 145426848), (16, 136337670), (18, 121189040), (20, 109070136), (21, 103876320), (24, 90891780), (28, 77907240), (30, 72713424), (32, 68168835), (35, 62325792), (36, 60594520), (40, 54535068), (42, 51938160), (45, 48475616), (48, 45445890), (56, 38953620), (60, 36356712), (63, 34625440), (70, 31162896), (72, 30297260), (80, 27267534), (84, 25969080), (90, 24237808), (96, 22722945), (105, 20775264), (112, 19476810), (120, 18178356), (126, 17312720), (140, 15581448), (144, 15148630), (160, 13633767), (168, 12984540), (180, 12118904), (210, 10387632), (224, 9738405), (240, 9089178), (252, 8656360), (280, 7790724), (288, 7574315), (315, 6925088), (336, 6492270), (360, 6059452), (379, 5755680), (420, 5193816), (480, 4544589), (504, 4328180), (560, 3895362), (571, 3820320), (630, 3462544), (672, 3246135), (720, 3029726), (758, 2877840), (840, 2596908), (1008, 2164090), (1120, 1947681), (1137, 1918560), (1142, 1910160), (1260, 1731272), (1440, 1514863), (1516, 1438920), (1680, 1298454), (1713, 1273440), (1895, 1151136), (2016, 1082045), (2274, 959280), (2284, 955080), (2520, 865636), (2653, 822240), (2855, 764064), (3032, 719460), (3360, 649227), (3411, 639520), (3426, 636720), (3790, 575568), (3997, 545760), (4548, 479640), (4568, 477540), (5040, 432818), (5139, 424480), (5306, 411120), (5685, 383712), (5710, 382032), (6064, 359730), (6822, 319760), (6852, 318360), (7580, 287784), (7959, 274080), (7994, 272880), (8565, 254688), (9096, 239820), (9136, 238770), (10080, 216409), (10278, 212240), (10612, 205560), (11370, 191856), (11420, 191016), (11991, 181920), (12128, 179865), (13265, 164448), (13644, 159880), (13704, 159180), (15160, 143892), (15918, 137040), (15988, 136440), (17055, 127904), (17130, 127344), (18192, 119910), (18272, 119385), (19985, 109152), (20556, 106120), (21224, 102780), (22740, 95928), (22840, 95508), (23877, 91360), (23982, 90960), (25695, 84896), (26530, 82224), (27288, 79940), (27408, 79590), (30320, 71946), (31836, 68520), (31976, 68220), (34110, 63952), (34260, 63672), (35973, 60640), (36384, 59955), (39795, 54816), (39970, 54576), (41112, 53060), (42448, 51390), (45480, 47964), (45680, 47754)]