20921297400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2175

約数の個数: 288

約数和(自身を含む): 72456143760

約数和(自身を除く): 51534846360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 137, 150, 172, 180, 200, 215, 225, 258, 274, 300, 344, 360, 387, 411, 430, 450, 516, 548, 600, 645, 685, 774, 822, 860, 900, 1032, 1075, 1096, 1233, 1290, 1370, 1548, 1644, 1720, 1800, 1935, 1973, 2055, 2150, 2466, 2580, 2740, 3096, 3225, 3288, 3425, 3870, 3946, 4110, 4300, 4932, 5160, 5480, 5891, 5919, 6165, 6450, 6850, 7740, 7892, 8220, 8600, 9675, 9864, 9865, 10275, 11782, 11838, 12330, 12900, 13700, 15480, 15784, 16440, 17673, 17757, 19350, 19730, 20550, 23564, 23676, 24660, 25800, 27400, 29455, 29595, 30825, 35346, 35514, 38700, 39460, 41100, 47128, 47352, 49320, 49325, 53019, 58910, 59190, 61650, 70692, 71028, 77400, 78920, 82200, 84839, 88365, 88785, 98650, 106038, 117820, 118380, 123300, 141384, 142056, 147275, 147975, 169678, 176730, 177570, 197300, 212076, 235640, 236760, 246600, 254517, 265095, 270301, 294550, 295950, 339356, 353460, 355140, 394600, 424152, 424195, 441825, 443925, 509034, 530190, 540602, 589100, 591900, 678712, 706920, 710280, 763551, 810903, 848390, 883650, 887850, 1018068, 1060380, 1081204, 1178200, 1183800, 1272585, 1325475, 1351505, 1527102, 1621806, 1696780, 1767300, 1775700, 2036136, 2120760, 2120975, 2162408, 2432709, 2545170, 2650950, 2703010, 3054204, 3243612, 3393560, 3534600, 3551400, 3817755, 4054515, 4241950, 4865418, 5090340, 5301900, 5406020, 6108408, 6362925, 6487224, 6757525, 7635510, 8109030, 8483900, 9730836, 10180680, 10603800, 10812040, 11622943, 12163545, 12725850, 13515050, 15271020, 16218060, 16967800, 19088775, 19461672, 20272575, 23245886, 24327090, 25451700, 27030100, 30542040, 32436120, 34868829, 38177550, 40545150, 46491772, 48654180, 50903400, 54060200, 58114715, 60817725, 69737658, 76355100, 81090300, 92983544, 97308360, 104606487, 116229430, 121635450, 139475316, 152710200, 162180600, 174344145, 209212974, 232458860, 243270900, 278950632, 290573575, 348688290, 418425948, 464917720, 486541800, 523032435, 581147150, 697376580, 836851896, 871720725, 1046064870, 1162294300, 1394753160, 1743441450, 2092129740, 2324588600, 2615162175, 3486882900, 4184259480, 5230324350, 6973765800, 10460648700, 20921297400]

約数ペア:

[(1, 20921297400), (2, 10460648700), (3, 6973765800), (4, 5230324350), (5, 4184259480), (6, 3486882900), (8, 2615162175), (9, 2324588600), (10, 2092129740), (12, 1743441450), (15, 1394753160), (18, 1162294300), (20, 1046064870), (24, 871720725), (25, 836851896), (30, 697376580), (36, 581147150), (40, 523032435), (43, 486541800), (45, 464917720), (50, 418425948), (60, 348688290), (72, 290573575), (75, 278950632), (86, 243270900), (90, 232458860), (100, 209212974), (120, 174344145), (129, 162180600), (137, 152710200), (150, 139475316), (172, 121635450), (180, 116229430), (200, 104606487), (215, 97308360), (225, 92983544), (258, 81090300), (274, 76355100), (300, 69737658), (344, 60817725), (360, 58114715), (387, 54060200), (411, 50903400), (430, 48654180), (450, 46491772), (516, 40545150), (548, 38177550), (600, 34868829), (645, 32436120), (685, 30542040), (774, 27030100), (822, 25451700), (860, 24327090), (900, 23245886), (1032, 20272575), (1075, 19461672), (1096, 19088775), (1233, 16967800), (1290, 16218060), (1370, 15271020), (1548, 13515050), (1644, 12725850), (1720, 12163545), (1800, 11622943), (1935, 10812040), (1973, 10603800), (2055, 10180680), (2150, 9730836), (2466, 8483900), (2580, 8109030), (2740, 7635510), (3096, 6757525), (3225, 6487224), (3288, 6362925), (3425, 6108408), (3870, 5406020), (3946, 5301900), (4110, 5090340), (4300, 4865418), (4932, 4241950), (5160, 4054515), (5480, 3817755), (5891, 3551400), (5919, 3534600), (6165, 3393560), (6450, 3243612), (6850, 3054204), (7740, 2703010), (7892, 2650950), (8220, 2545170), (8600, 2432709), (9675, 2162408), (9864, 2120975), (9865, 2120760), (10275, 2036136), (11782, 1775700), (11838, 1767300), (12330, 1696780), (12900, 1621806), (13700, 1527102), (15480, 1351505), (15784, 1325475), (16440, 1272585), (17673, 1183800), (17757, 1178200), (19350, 1081204), (19730, 1060380), (20550, 1018068), (23564, 887850), (23676, 883650), (24660, 848390), (25800, 810903), (27400, 763551), (29455, 710280), (29595, 706920), (30825, 678712), (35346, 591900), (35514, 589100), (38700, 540602), (39460, 530190), (41100, 509034), (47128, 443925), (47352, 441825), (49320, 424195), (49325, 424152), (53019, 394600), (58910, 355140), (59190, 353460), (61650, 339356), (70692, 295950), (71028, 294550), (77400, 270301), (78920, 265095), (82200, 254517), (84839, 246600), (88365, 236760), (88785, 235640), (98650, 212076), (106038, 197300), (117820, 177570), (118380, 176730), (123300, 169678), (141384, 147975), (142056, 147275)]