1900830720

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 224

約数和(自身を含む): 6291072000

約数和(自身を除く): 4390241280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 499, 512, 620, 640, 744, 768, 930, 960, 992, 998, 1024, 1240, 1280, 1488, 1497, 1536, 1860, 1920, 1984, 1996, 2048, 2480, 2495, 2560, 2976, 2994, 3072, 3720, 3840, 3968, 3992, 4096, 4960, 4990, 5120, 5952, 5988, 6144, 7440, 7485, 7680, 7936, 7984, 8192, 9920, 9980, 10240, 11904, 11976, 12288, 14880, 14970, 15360, 15469, 15872, 15968, 19840, 19960, 20480, 23808, 23952, 24576, 29760, 29940, 30720, 30938, 31744, 31936, 39680, 39920, 40960, 46407, 47616, 47904, 59520, 59880, 61440, 61876, 63488, 63872, 77345, 79360, 79840, 92814, 95232, 95808, 119040, 119760, 122880, 123752, 126976, 127744, 154690, 158720, 159680, 185628, 190464, 191616, 232035, 238080, 239520, 247504, 253952, 255488, 309380, 317440, 319360, 371256, 380928, 383232, 464070, 476160, 479040, 495008, 510976, 618760, 634880, 638720, 742512, 761856, 766464, 928140, 952320, 958080, 990016, 1021952, 1237520, 1269760, 1277440, 1485024, 1532928, 1856280, 1904640, 1916160, 1980032, 2043904, 2475040, 2554880, 2970048, 3065856, 3712560, 3809280, 3832320, 3960064, 4087808, 4950080, 5109760, 5940096, 6131712, 7425120, 7664640, 7920128, 9900160, 10219520, 11880192, 12263424, 14850240, 15329280, 15840256, 19800320, 20439040, 23760384, 29700480, 30658560, 31680512, 39600640, 47520768, 59400960, 61317120, 63361024, 79201280, 95041536, 118801920, 126722048, 158402560, 190083072, 237603840, 316805120, 380166144, 475207680, 633610240, 950415360, 1900830720]

約数ペア:

[(1, 1900830720), (2, 950415360), (3, 633610240), (4, 475207680), (5, 380166144), (6, 316805120), (8, 237603840), (10, 190083072), (12, 158402560), (15, 126722048), (16, 118801920), (20, 95041536), (24, 79201280), (30, 63361024), (31, 61317120), (32, 59400960), (40, 47520768), (48, 39600640), (60, 31680512), (62, 30658560), (64, 29700480), (80, 23760384), (93, 20439040), (96, 19800320), (120, 15840256), (124, 15329280), (128, 14850240), (155, 12263424), (160, 11880192), (186, 10219520), (192, 9900160), (240, 7920128), (248, 7664640), (256, 7425120), (310, 6131712), (320, 5940096), (372, 5109760), (384, 4950080), (465, 4087808), (480, 3960064), (496, 3832320), (499, 3809280), (512, 3712560), (620, 3065856), (640, 2970048), (744, 2554880), (768, 2475040), (930, 2043904), (960, 1980032), (992, 1916160), (998, 1904640), (1024, 1856280), (1240, 1532928), (1280, 1485024), (1488, 1277440), (1497, 1269760), (1536, 1237520), (1860, 1021952), (1920, 990016), (1984, 958080), (1996, 952320), (2048, 928140), (2480, 766464), (2495, 761856), (2560, 742512), (2976, 638720), (2994, 634880), (3072, 618760), (3720, 510976), (3840, 495008), (3968, 479040), (3992, 476160), (4096, 464070), (4960, 383232), (4990, 380928), (5120, 371256), (5952, 319360), (5988, 317440), (6144, 309380), (7440, 255488), (7485, 253952), (7680, 247504), (7936, 239520), (7984, 238080), (8192, 232035), (9920, 191616), (9980, 190464), (10240, 185628), (11904, 159680), (11976, 158720), (12288, 154690), (14880, 127744), (14970, 126976), (15360, 123752), (15469, 122880), (15872, 119760), (15968, 119040), (19840, 95808), (19960, 95232), (20480, 92814), (23808, 79840), (23952, 79360), (24576, 77345), (29760, 63872), (29940, 63488), (30720, 61876), (30938, 61440), (31744, 59880), (31936, 59520), (39680, 47904), (39920, 47616), (40960, 46407)]