1328928000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 288

約数和(自身を含む): 4489605120

約数和(自身を除く): 3160677120

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, 109, 120, 125, 127, 128, 150, 160, 192, 200, 218, 240, 250, 254, 256, 300, 320, 327, 375, 381, 384, 400, 436, 480, 500, 508, 545, 600, 635, 640, 654, 750, 762, 768, 800, 872, 960, 1000, 1016, 1090, 1200, 1270, 1280, 1308, 1500, 1524, 1600, 1635, 1744, 1905, 1920, 2000, 2032, 2180, 2400, 2540, 2616, 2725, 3000, 3048, 3175, 3200, 3270, 3488, 3810, 3840, 4000, 4064, 4360, 4800, 5080, 5232, 5450, 6000, 6096, 6350, 6400, 6540, 6976, 7620, 8000, 8128, 8175, 8720, 9525, 9600, 10160, 10464, 10900, 12000, 12192, 12700, 13080, 13625, 13843, 13952, 15240, 15875, 16000, 16256, 16350, 17440, 19050, 19200, 20320, 20928, 21800, 24000, 24384, 25400, 26160, 27250, 27686, 27904, 30480, 31750, 32000, 32512, 32700, 34880, 38100, 40640, 40875, 41529, 41856, 43600, 47625, 48000, 48768, 50800, 52320, 54500, 55372, 60960, 63500, 65400, 69215, 69760, 76200, 81280, 81750, 83058, 83712, 87200, 95250, 96000, 97536, 101600, 104640, 109000, 110744, 121920, 127000, 130800, 138430, 139520, 152400, 162560, 163500, 166116, 174400, 190500, 203200, 207645, 209280, 218000, 221488, 243840, 254000, 261600, 276860, 304800, 327000, 332232, 346075, 348800, 381000, 406400, 415290, 418560, 436000, 442976, 487680, 508000, 523200, 553720, 609600, 654000, 664464, 692150, 697600, 762000, 812800, 830580, 872000, 885952, 1016000, 1038225, 1046400, 1107440, 1219200, 1308000, 1328928, 1384300, 1524000, 1661160, 1730375, 1744000, 1771904, 2032000, 2076450, 2092800, 2214880, 2438400, 2616000, 2657856, 2768600, 3048000, 3322320, 3460750, 3488000, 3543808, 4064000, 4152900, 4429760, 5191125, 5232000, 5315712, 5537200, 6096000, 6644640, 6921500, 8305800, 8859520, 10382250, 10464000, 10631424, 11074400, 12192000, 13289280, 13843000, 16611600, 17719040, 20764500, 22148800, 26578560, 27686000, 33223200, 41529000, 44297600, 53157120, 55372000, 66446400, 83058000, 88595200, 110744000, 132892800, 166116000, 221488000, 265785600, 332232000, 442976000, 664464000, 1328928000]

約数ペア:

[(1, 1328928000), (2, 664464000), (3, 442976000), (4, 332232000), (5, 265785600), (6, 221488000), (8, 166116000), (10, 132892800), (12, 110744000), (15, 88595200), (16, 83058000), (20, 66446400), (24, 55372000), (25, 53157120), (30, 44297600), (32, 41529000), (40, 33223200), (48, 27686000), (50, 26578560), (60, 22148800), (64, 20764500), (75, 17719040), (80, 16611600), (96, 13843000), (100, 13289280), (109, 12192000), (120, 11074400), (125, 10631424), (127, 10464000), (128, 10382250), (150, 8859520), (160, 8305800), (192, 6921500), (200, 6644640), (218, 6096000), (240, 5537200), (250, 5315712), (254, 5232000), (256, 5191125), (300, 4429760), (320, 4152900), (327, 4064000), (375, 3543808), (381, 3488000), (384, 3460750), (400, 3322320), (436, 3048000), (480, 2768600), (500, 2657856), (508, 2616000), (545, 2438400), (600, 2214880), (635, 2092800), (640, 2076450), (654, 2032000), (750, 1771904), (762, 1744000), (768, 1730375), (800, 1661160), (872, 1524000), (960, 1384300), (1000, 1328928), (1016, 1308000), (1090, 1219200), (1200, 1107440), (1270, 1046400), (1280, 1038225), (1308, 1016000), (1500, 885952), (1524, 872000), (1600, 830580), (1635, 812800), (1744, 762000), (1905, 697600), (1920, 692150), (2000, 664464), (2032, 654000), (2180, 609600), (2400, 553720), (2540, 523200), (2616, 508000), (2725, 487680), (3000, 442976), (3048, 436000), (3175, 418560), (3200, 415290), (3270, 406400), (3488, 381000), (3810, 348800), (3840, 346075), (4000, 332232), (4064, 327000), (4360, 304800), (4800, 276860), (5080, 261600), (5232, 254000), (5450, 243840), (6000, 221488), (6096, 218000), (6350, 209280), (6400, 207645), (6540, 203200), (6976, 190500), (7620, 174400), (8000, 166116), (8128, 163500), (8175, 162560), (8720, 152400), (9525, 139520), (9600, 138430), (10160, 130800), (10464, 127000), (10900, 121920), (12000, 110744), (12192, 109000), (12700, 104640), (13080, 101600), (13625, 97536), (13843, 96000), (13952, 95250), (15240, 87200), (15875, 83712), (16000, 83058), (16256, 81750), (16350, 81280), (17440, 76200), (19050, 69760), (19200, 69215), (20320, 65400), (20928, 63500), (21800, 60960), (24000, 55372), (24384, 54500), (25400, 52320), (26160, 50800), (27250, 48768), (27686, 48000), (27904, 47625), (30480, 43600), (31750, 41856), (32000, 41529), (32512, 40875), (32700, 40640), (34880, 38100)]