20451360000

素因数分解:

$2^8\times 3^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 360

約数和(自身を含む): 68733048384

約数和(自身を除く): 48281688384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 137, 150, 160, 192, 200, 240, 250, 256, 274, 300, 311, 320, 375, 384, 400, 411, 480, 500, 548, 600, 622, 625, 640, 685, 750, 768, 800, 822, 933, 960, 1000, 1096, 1200, 1244, 1250, 1280, 1370, 1500, 1555, 1600, 1644, 1866, 1875, 1920, 2000, 2055, 2192, 2400, 2488, 2500, 2740, 3000, 3110, 3200, 3288, 3425, 3732, 3750, 3840, 4000, 4110, 4384, 4665, 4800, 4976, 5000, 5480, 6000, 6220, 6400, 6576, 6850, 7464, 7500, 7775, 8000, 8220, 8768, 9330, 9600, 9952, 10000, 10275, 10960, 12000, 12440, 13152, 13700, 14928, 15000, 15550, 16000, 16440, 17125, 17536, 18660, 19200, 19904, 20000, 20550, 21920, 23325, 24000, 24880, 26304, 27400, 29856, 30000, 31100, 32000, 32880, 34250, 35072, 37320, 38875, 39808, 40000, 41100, 42607, 43840, 46650, 48000, 49760, 51375, 52608, 54800, 59712, 60000, 62200, 65760, 68500, 74640, 77750, 79616, 80000, 82200, 85214, 85625, 87680, 93300, 96000, 99520, 102750, 105216, 109600, 116625, 119424, 120000, 124400, 127821, 131520, 137000, 149280, 155500, 160000, 164400, 170428, 171250, 175360, 186600, 194375, 199040, 205500, 213035, 219200, 233250, 238848, 240000, 248800, 255642, 256875, 263040, 274000, 298560, 311000, 328800, 340856, 342500, 373200, 388750, 398080, 411000, 426070, 438400, 466500, 480000, 497600, 511284, 513750, 526080, 548000, 583125, 597120, 622000, 639105, 657600, 681712, 685000, 746400, 777500, 822000, 852140, 876800, 933000, 995200, 1022568, 1027500, 1065175, 1096000, 1166250, 1194240, 1244000, 1278210, 1315200, 1363424, 1370000, 1492800, 1555000, 1644000, 1704280, 1866000, 1990400, 2045136, 2055000, 2130350, 2192000, 2332500, 2488000, 2556420, 2630400, 2726848, 2740000, 2985600, 3110000, 3195525, 3288000, 3408560, 3732000, 4090272, 4110000, 4260700, 4384000, 4665000, 4976000, 5112840, 5325875, 5453696, 5480000, 5971200, 6220000, 6391050, 6576000, 6817120, 7464000, 8180544, 8220000, 8521400, 9330000, 9952000, 10225680, 10651750, 10907392, 10960000, 12440000, 12782100, 13152000, 13634240, 14928000, 15977625, 16361088, 16440000, 17042800, 18660000, 20451360, 21303500, 21920000, 24880000, 25564200, 26629375, 27268480, 29856000, 31955250, 32722176, 32880000, 34085600, 37320000, 40902720, 42607000, 49760000, 51128400, 53258750, 54536960, 63910500, 65760000, 68171200, 74640000, 79888125, 81805440, 85214000, 102256800, 106517500, 127821000, 136342400, 149280000, 159776250, 163610880, 170428000, 204513600, 213035000, 255642000, 272684800, 319552500, 340856000, 409027200, 426070000, 511284000, 639105000, 681712000, 818054400, 852140000, 1022568000, 1278210000, 1363424000, 1704280000, 2045136000, 2556420000, 3408560000, 4090272000, 5112840000, 6817120000, 10225680000, 20451360000]

約数ペア:

[(1, 20451360000), (2, 10225680000), (3, 6817120000), (4, 5112840000), (5, 4090272000), (6, 3408560000), (8, 2556420000), (10, 2045136000), (12, 1704280000), (15, 1363424000), (16, 1278210000), (20, 1022568000), (24, 852140000), (25, 818054400), (30, 681712000), (32, 639105000), (40, 511284000), (48, 426070000), (50, 409027200), (60, 340856000), (64, 319552500), (75, 272684800), (80, 255642000), (96, 213035000), (100, 204513600), (120, 170428000), (125, 163610880), (128, 159776250), (137, 149280000), (150, 136342400), (160, 127821000), (192, 106517500), (200, 102256800), (240, 85214000), (250, 81805440), (256, 79888125), (274, 74640000), (300, 68171200), (311, 65760000), (320, 63910500), (375, 54536960), (384, 53258750), (400, 51128400), (411, 49760000), (480, 42607000), (500, 40902720), (548, 37320000), (600, 34085600), (622, 32880000), (625, 32722176), (640, 31955250), (685, 29856000), (750, 27268480), (768, 26629375), (800, 25564200), (822, 24880000), (933, 21920000), (960, 21303500), (1000, 20451360), (1096, 18660000), (1200, 17042800), (1244, 16440000), (1250, 16361088), (1280, 15977625), (1370, 14928000), (1500, 13634240), (1555, 13152000), (1600, 12782100), (1644, 12440000), (1866, 10960000), (1875, 10907392), (1920, 10651750), (2000, 10225680), (2055, 9952000), (2192, 9330000), (2400, 8521400), (2488, 8220000), (2500, 8180544), (2740, 7464000), (3000, 6817120), (3110, 6576000), (3200, 6391050), (3288, 6220000), (3425, 5971200), (3732, 5480000), (3750, 5453696), (3840, 5325875), (4000, 5112840), (4110, 4976000), (4384, 4665000), (4665, 4384000), (4800, 4260700), (4976, 4110000), (5000, 4090272), (5480, 3732000), (6000, 3408560), (6220, 3288000), (6400, 3195525), (6576, 3110000), (6850, 2985600), (7464, 2740000), (7500, 2726848), (7775, 2630400), (8000, 2556420), (8220, 2488000), (8768, 2332500), (9330, 2192000), (9600, 2130350), (9952, 2055000), (10000, 2045136), (10275, 1990400), (10960, 1866000), (12000, 1704280), (12440, 1644000), (13152, 1555000), (13700, 1492800), (14928, 1370000), (15000, 1363424), (15550, 1315200), (16000, 1278210), (16440, 1244000), (17125, 1194240), (17536, 1166250), (18660, 1096000), (19200, 1065175), (19904, 1027500), (20000, 1022568), (20550, 995200), (21920, 933000), (23325, 876800), (24000, 852140), (24880, 822000), (26304, 777500), (27400, 746400), (29856, 685000), (30000, 681712), (31100, 657600), (32000, 639105), (32880, 622000), (34250, 597120), (35072, 583125), (37320, 548000), (38875, 526080), (39808, 513750), (40000, 511284), (41100, 497600), (42607, 480000), (43840, 466500), (46650, 438400), (48000, 426070), (49760, 411000), (51375, 398080), (52608, 388750), (54800, 373200), (59712, 342500), (60000, 340856), (62200, 328800), (65760, 311000), (68500, 298560), (74640, 274000), (77750, 263040), (79616, 256875), (80000, 255642), (82200, 248800), (85214, 240000), (85625, 238848), (87680, 233250), (93300, 219200), (96000, 213035), (99520, 205500), (102750, 199040), (105216, 194375), (109600, 186600), (116625, 175360), (119424, 171250), (120000, 170428), (124400, 164400), (127821, 160000), (131520, 155500), (137000, 149280)]