80401920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 240

約数和(自身を含む): 280629360

約数和(自身を除く): 200227440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 32, 38, 40, 48, 57, 58, 60, 64, 76, 80, 87, 95, 96, 114, 116, 120, 128, 145, 152, 160, 174, 190, 192, 228, 232, 240, 256, 285, 290, 304, 320, 348, 361, 380, 384, 435, 456, 464, 480, 512, 551, 570, 580, 608, 640, 696, 722, 760, 768, 870, 912, 928, 960, 1083, 1102, 1140, 1160, 1216, 1280, 1392, 1444, 1520, 1536, 1653, 1740, 1805, 1824, 1856, 1920, 2166, 2204, 2280, 2320, 2432, 2560, 2755, 2784, 2888, 3040, 3306, 3480, 3610, 3648, 3712, 3840, 4332, 4408, 4560, 4640, 4864, 5415, 5510, 5568, 5776, 6080, 6612, 6960, 7220, 7296, 7424, 7680, 8265, 8664, 8816, 9120, 9280, 9728, 10469, 10830, 11020, 11136, 11552, 12160, 13224, 13920, 14440, 14592, 14848, 16530, 17328, 17632, 18240, 18560, 20938, 21660, 22040, 22272, 23104, 24320, 26448, 27840, 28880, 29184, 31407, 33060, 34656, 35264, 36480, 37120, 41876, 43320, 44080, 44544, 46208, 48640, 52345, 52896, 55680, 57760, 62814, 66120, 69312, 70528, 72960, 74240, 83752, 86640, 88160, 92416, 104690, 105792, 111360, 115520, 125628, 132240, 138624, 141056, 145920, 157035, 167504, 173280, 176320, 184832, 209380, 211584, 222720, 231040, 251256, 264480, 277248, 282112, 314070, 335008, 346560, 352640, 418760, 423168, 462080, 502512, 528960, 554496, 628140, 670016, 693120, 705280, 837520, 846336, 924160, 1005024, 1057920, 1256280, 1340032, 1386240, 1410560, 1675040, 2010048, 2115840, 2512560, 2680064, 2772480, 3350080, 4020096, 4231680, 5025120, 5360128, 6700160, 8040192, 10050240, 13400320, 16080384, 20100480, 26800640, 40200960, 80401920]

約数ペア:

[(1, 80401920), (2, 40200960), (3, 26800640), (4, 20100480), (5, 16080384), (6, 13400320), (8, 10050240), (10, 8040192), (12, 6700160), (15, 5360128), (16, 5025120), (19, 4231680), (20, 4020096), (24, 3350080), (29, 2772480), (30, 2680064), (32, 2512560), (38, 2115840), (40, 2010048), (48, 1675040), (57, 1410560), (58, 1386240), (60, 1340032), (64, 1256280), (76, 1057920), (80, 1005024), (87, 924160), (95, 846336), (96, 837520), (114, 705280), (116, 693120), (120, 670016), (128, 628140), (145, 554496), (152, 528960), (160, 502512), (174, 462080), (190, 423168), (192, 418760), (228, 352640), (232, 346560), (240, 335008), (256, 314070), (285, 282112), (290, 277248), (304, 264480), (320, 251256), (348, 231040), (361, 222720), (380, 211584), (384, 209380), (435, 184832), (456, 176320), (464, 173280), (480, 167504), (512, 157035), (551, 145920), (570, 141056), (580, 138624), (608, 132240), (640, 125628), (696, 115520), (722, 111360), (760, 105792), (768, 104690), (870, 92416), (912, 88160), (928, 86640), (960, 83752), (1083, 74240), (1102, 72960), (1140, 70528), (1160, 69312), (1216, 66120), (1280, 62814), (1392, 57760), (1444, 55680), (1520, 52896), (1536, 52345), (1653, 48640), (1740, 46208), (1805, 44544), (1824, 44080), (1856, 43320), (1920, 41876), (2166, 37120), (2204, 36480), (2280, 35264), (2320, 34656), (2432, 33060), (2560, 31407), (2755, 29184), (2784, 28880), (2888, 27840), (3040, 26448), (3306, 24320), (3480, 23104), (3610, 22272), (3648, 22040), (3712, 21660), (3840, 20938), (4332, 18560), (4408, 18240), (4560, 17632), (4640, 17328), (4864, 16530), (5415, 14848), (5510, 14592), (5568, 14440), (5776, 13920), (6080, 13224), (6612, 12160), (6960, 11552), (7220, 11136), (7296, 11020), (7424, 10830), (7680, 10469), (8265, 9728), (8664, 9280), (8816, 9120)]