2161280000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 220

約数和(自身を含む): 5908821072

約数和(自身を除く): 3747541072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 256, 275, 307, 320, 352, 400, 440, 500, 512, 550, 614, 625, 640, 704, 800, 880, 1000, 1024, 1100, 1228, 1250, 1280, 1375, 1408, 1535, 1600, 1760, 2000, 2200, 2456, 2500, 2560, 2750, 2816, 3070, 3200, 3377, 3520, 4000, 4400, 4912, 5000, 5120, 5500, 5632, 6140, 6400, 6754, 6875, 7040, 7675, 8000, 8800, 9824, 10000, 11000, 11264, 12280, 12800, 13508, 13750, 14080, 15350, 16000, 16885, 17600, 19648, 20000, 22000, 24560, 25600, 27016, 27500, 28160, 30700, 32000, 33770, 35200, 38375, 39296, 40000, 44000, 49120, 54032, 55000, 56320, 61400, 64000, 67540, 70400, 76750, 78592, 80000, 84425, 88000, 98240, 108064, 110000, 122800, 128000, 135080, 140800, 153500, 157184, 160000, 168850, 176000, 191875, 196480, 216128, 220000, 245600, 270160, 281600, 307000, 314368, 320000, 337700, 352000, 383750, 392960, 422125, 432256, 440000, 491200, 540320, 614000, 640000, 675400, 704000, 767500, 785920, 844250, 864512, 880000, 982400, 1080640, 1228000, 1350800, 1408000, 1535000, 1571840, 1688500, 1729024, 1760000, 1964800, 2110625, 2161280, 2456000, 2701600, 3070000, 3377000, 3458048, 3520000, 3929600, 4221250, 4322560, 4912000, 5403200, 6140000, 6754000, 7040000, 7859200, 8442500, 8645120, 9824000, 10806400, 12280000, 13508000, 16885000, 17290240, 19648000, 21612800, 24560000, 27016000, 33770000, 39296000, 43225600, 49120000, 54032000, 67540000, 86451200, 98240000, 108064000, 135080000, 196480000, 216128000, 270160000, 432256000, 540320000, 1080640000, 2161280000]

約数ペア:

[(1, 2161280000), (2, 1080640000), (4, 540320000), (5, 432256000), (8, 270160000), (10, 216128000), (11, 196480000), (16, 135080000), (20, 108064000), (22, 98240000), (25, 86451200), (32, 67540000), (40, 54032000), (44, 49120000), (50, 43225600), (55, 39296000), (64, 33770000), (80, 27016000), (88, 24560000), (100, 21612800), (110, 19648000), (125, 17290240), (128, 16885000), (160, 13508000), (176, 12280000), (200, 10806400), (220, 9824000), (250, 8645120), (256, 8442500), (275, 7859200), (307, 7040000), (320, 6754000), (352, 6140000), (400, 5403200), (440, 4912000), (500, 4322560), (512, 4221250), (550, 3929600), (614, 3520000), (625, 3458048), (640, 3377000), (704, 3070000), (800, 2701600), (880, 2456000), (1000, 2161280), (1024, 2110625), (1100, 1964800), (1228, 1760000), (1250, 1729024), (1280, 1688500), (1375, 1571840), (1408, 1535000), (1535, 1408000), (1600, 1350800), (1760, 1228000), (2000, 1080640), (2200, 982400), (2456, 880000), (2500, 864512), (2560, 844250), (2750, 785920), (2816, 767500), (3070, 704000), (3200, 675400), (3377, 640000), (3520, 614000), (4000, 540320), (4400, 491200), (4912, 440000), (5000, 432256), (5120, 422125), (5500, 392960), (5632, 383750), (6140, 352000), (6400, 337700), (6754, 320000), (6875, 314368), (7040, 307000), (7675, 281600), (8000, 270160), (8800, 245600), (9824, 220000), (10000, 216128), (11000, 196480), (11264, 191875), (12280, 176000), (12800, 168850), (13508, 160000), (13750, 157184), (14080, 153500), (15350, 140800), (16000, 135080), (16885, 128000), (17600, 122800), (19648, 110000), (20000, 108064), (22000, 98240), (24560, 88000), (25600, 84425), (27016, 80000), (27500, 78592), (28160, 76750), (30700, 70400), (32000, 67540), (33770, 64000), (35200, 61400), (38375, 56320), (39296, 55000), (40000, 54032), (44000, 49120)]