19879200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 216

約数和(自身を含む): 76776336

約数和(自身を除く): 56897136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 198, 200, 220, 225, 240, 251, 264, 275, 288, 300, 330, 352, 360, 396, 400, 440, 450, 480, 495, 502, 528, 550, 600, 660, 720, 753, 792, 800, 825, 880, 900, 990, 1004, 1056, 1100, 1200, 1255, 1320, 1440, 1506, 1584, 1650, 1760, 1800, 1980, 2008, 2200, 2259, 2400, 2475, 2510, 2640, 2761, 3012, 3168, 3300, 3600, 3765, 3960, 4016, 4400, 4518, 4950, 5020, 5280, 5522, 6024, 6275, 6600, 7200, 7530, 7920, 8032, 8283, 8800, 9036, 9900, 10040, 11044, 11295, 12048, 12550, 13200, 13805, 15060, 15840, 16566, 18072, 18825, 19800, 20080, 22088, 22590, 24096, 24849, 25100, 26400, 27610, 30120, 33132, 36144, 37650, 39600, 40160, 41415, 44176, 45180, 49698, 50200, 55220, 56475, 60240, 66264, 69025, 72288, 75300, 79200, 82830, 88352, 90360, 99396, 100400, 110440, 112950, 120480, 124245, 132528, 138050, 150600, 165660, 180720, 198792, 200800, 207075, 220880, 225900, 248490, 265056, 276100, 301200, 331320, 361440, 397584, 414150, 441760, 451800, 496980, 552200, 602400, 621225, 662640, 795168, 828300, 903600, 993960, 1104400, 1242450, 1325280, 1656600, 1807200, 1987920, 2208800, 2484900, 3313200, 3975840, 4969800, 6626400, 9939600, 19879200]

約数ペア:

[(1, 19879200), (2, 9939600), (3, 6626400), (4, 4969800), (5, 3975840), (6, 3313200), (8, 2484900), (9, 2208800), (10, 1987920), (11, 1807200), (12, 1656600), (15, 1325280), (16, 1242450), (18, 1104400), (20, 993960), (22, 903600), (24, 828300), (25, 795168), (30, 662640), (32, 621225), (33, 602400), (36, 552200), (40, 496980), (44, 451800), (45, 441760), (48, 414150), (50, 397584), (55, 361440), (60, 331320), (66, 301200), (72, 276100), (75, 265056), (80, 248490), (88, 225900), (90, 220880), (96, 207075), (99, 200800), (100, 198792), (110, 180720), (120, 165660), (132, 150600), (144, 138050), (150, 132528), (160, 124245), (165, 120480), (176, 112950), (180, 110440), (198, 100400), (200, 99396), (220, 90360), (225, 88352), (240, 82830), (251, 79200), (264, 75300), (275, 72288), (288, 69025), (300, 66264), (330, 60240), (352, 56475), (360, 55220), (396, 50200), (400, 49698), (440, 45180), (450, 44176), (480, 41415), (495, 40160), (502, 39600), (528, 37650), (550, 36144), (600, 33132), (660, 30120), (720, 27610), (753, 26400), (792, 25100), (800, 24849), (825, 24096), (880, 22590), (900, 22088), (990, 20080), (1004, 19800), (1056, 18825), (1100, 18072), (1200, 16566), (1255, 15840), (1320, 15060), (1440, 13805), (1506, 13200), (1584, 12550), (1650, 12048), (1760, 11295), (1800, 11044), (1980, 10040), (2008, 9900), (2200, 9036), (2259, 8800), (2400, 8283), (2475, 8032), (2510, 7920), (2640, 7530), (2761, 7200), (3012, 6600), (3168, 6275), (3300, 6024), (3600, 5522), (3765, 5280), (3960, 5020), (4016, 4950), (4400, 4518)]