1123280640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:655

約数の個数: 216

約数和(自身を含む): 3911504688

約数和(自身を除く): 2788224048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 281, 288, 320, 347, 360, 384, 480, 562, 576, 640, 694, 720, 768, 843, 960, 1041, 1124, 1152, 1280, 1388, 1405, 1440, 1686, 1735, 1920, 2082, 2248, 2304, 2529, 2776, 2810, 2880, 3123, 3372, 3470, 3840, 4164, 4215, 4496, 5058, 5205, 5552, 5620, 5760, 6246, 6744, 6940, 8328, 8430, 8992, 10116, 10410, 11104, 11240, 11520, 12492, 12645, 13488, 13880, 15615, 16656, 16860, 17984, 20232, 20820, 22208, 22480, 24984, 25290, 26976, 27760, 31230, 33312, 33720, 35968, 40464, 41640, 44416, 44960, 49968, 50580, 53952, 55520, 62460, 66624, 67440, 71936, 80928, 83280, 88832, 89920, 97507, 99936, 101160, 107904, 111040, 124920, 133248, 134880, 161856, 166560, 179840, 195014, 199872, 202320, 215808, 222080, 249840, 266496, 269760, 292521, 323712, 333120, 359680, 390028, 399744, 404640, 444160, 487535, 499680, 539520, 585042, 647424, 666240, 780056, 799488, 809280, 877563, 975070, 999360, 1079040, 1170084, 1332480, 1462605, 1560112, 1618560, 1755126, 1950140, 1998720, 2340168, 2925210, 3120224, 3237120, 3510252, 3900280, 3997440, 4387815, 4680336, 5850420, 6240448, 7020504, 7800560, 8775630, 9360672, 11700840, 12480896, 14041008, 15601120, 17551260, 18721344, 23401680, 24961792, 28082016, 31202240, 35102520, 37442688, 46803360, 56164032, 62404480, 70205040, 74885376, 93606720, 112328064, 124808960, 140410080, 187213440, 224656128, 280820160, 374426880, 561640320, 1123280640]

約数ペア:

[(1, 1123280640), (2, 561640320), (3, 374426880), (4, 280820160), (5, 224656128), (6, 187213440), (8, 140410080), (9, 124808960), (10, 112328064), (12, 93606720), (15, 74885376), (16, 70205040), (18, 62404480), (20, 56164032), (24, 46803360), (30, 37442688), (32, 35102520), (36, 31202240), (40, 28082016), (45, 24961792), (48, 23401680), (60, 18721344), (64, 17551260), (72, 15601120), (80, 14041008), (90, 12480896), (96, 11700840), (120, 9360672), (128, 8775630), (144, 7800560), (160, 7020504), (180, 6240448), (192, 5850420), (240, 4680336), (256, 4387815), (281, 3997440), (288, 3900280), (320, 3510252), (347, 3237120), (360, 3120224), (384, 2925210), (480, 2340168), (562, 1998720), (576, 1950140), (640, 1755126), (694, 1618560), (720, 1560112), (768, 1462605), (843, 1332480), (960, 1170084), (1041, 1079040), (1124, 999360), (1152, 975070), (1280, 877563), (1388, 809280), (1405, 799488), (1440, 780056), (1686, 666240), (1735, 647424), (1920, 585042), (2082, 539520), (2248, 499680), (2304, 487535), (2529, 444160), (2776, 404640), (2810, 399744), (2880, 390028), (3123, 359680), (3372, 333120), (3470, 323712), (3840, 292521), (4164, 269760), (4215, 266496), (4496, 249840), (5058, 222080), (5205, 215808), (5552, 202320), (5620, 199872), (5760, 195014), (6246, 179840), (6744, 166560), (6940, 161856), (8328, 134880), (8430, 133248), (8992, 124920), (10116, 111040), (10410, 107904), (11104, 101160), (11240, 99936), (11520, 97507), (12492, 89920), (12645, 88832), (13488, 83280), (13880, 80928), (15615, 71936), (16656, 67440), (16860, 66624), (17984, 62460), (20232, 55520), (20820, 53952), (22208, 50580), (22480, 49968), (24984, 44960), (25290, 44416), (26976, 41640), (27760, 40464), (31230, 35968), (33312, 33720)]