989978880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1077

約数の個数: 288

約数和(自身を含む): 3602672640

約数和(自身を除く): 2612693760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 128, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 256, 264, 276, 320, 330, 345, 352, 368, 384, 440, 460, 480, 506, 528, 552, 640, 660, 690, 704, 736, 759, 768, 880, 920, 960, 1012, 1019, 1056, 1104, 1265, 1280, 1320, 1380, 1408, 1472, 1518, 1760, 1840, 1920, 2024, 2038, 2112, 2208, 2530, 2640, 2760, 2816, 2944, 3036, 3057, 3520, 3680, 3795, 3840, 4048, 4076, 4224, 4416, 5060, 5095, 5280, 5520, 5888, 6072, 6114, 7040, 7360, 7590, 8096, 8152, 8448, 8832, 10120, 10190, 10560, 11040, 11209, 12144, 12228, 14080, 14720, 15180, 15285, 16192, 16304, 17664, 20240, 20380, 21120, 22080, 22418, 23437, 24288, 24456, 29440, 30360, 30570, 32384, 32608, 33627, 40480, 40760, 42240, 44160, 44836, 46874, 48576, 48912, 56045, 60720, 61140, 64768, 65216, 67254, 70311, 80960, 81520, 88320, 89672, 93748, 97152, 97824, 112090, 117185, 121440, 122280, 130432, 134508, 140622, 161920, 163040, 168135, 179344, 187496, 194304, 195648, 224180, 234370, 242880, 244560, 257807, 260864, 269016, 281244, 323840, 326080, 336270, 351555, 358688, 374992, 391296, 448360, 468740, 485760, 489120, 515614, 538032, 562488, 652160, 672540, 703110, 717376, 749984, 773421, 782592, 896720, 937480, 971520, 978240, 1031228, 1076064, 1124976, 1289035, 1304320, 1345080, 1406220, 1434752, 1499968, 1546842, 1793440, 1874960, 1956480, 2062456, 2152128, 2249952, 2578070, 2690160, 2812440, 2869504, 2999936, 3093684, 3586880, 3749920, 3867105, 3912960, 4124912, 4304256, 4499904, 5156140, 5380320, 5624880, 5999872, 6187368, 7173760, 7499840, 7734210, 8249824, 8608512, 8999808, 10312280, 10760640, 11249760, 12374736, 14347520, 14999680, 15468420, 16499648, 17999616, 20624560, 21521280, 22499520, 24749472, 29999360, 30936840, 32999296, 41249120, 43042560, 44999040, 49498944, 61873680, 65998592, 82498240, 89998080, 98997888, 123747360, 164996480, 197995776, 247494720, 329992960, 494989440, 989978880]

約数ペア:

[(1, 989978880), (2, 494989440), (3, 329992960), (4, 247494720), (5, 197995776), (6, 164996480), (8, 123747360), (10, 98997888), (11, 89998080), (12, 82498240), (15, 65998592), (16, 61873680), (20, 49498944), (22, 44999040), (23, 43042560), (24, 41249120), (30, 32999296), (32, 30936840), (33, 29999360), (40, 24749472), (44, 22499520), (46, 21521280), (48, 20624560), (55, 17999616), (60, 16499648), (64, 15468420), (66, 14999680), (69, 14347520), (80, 12374736), (88, 11249760), (92, 10760640), (96, 10312280), (110, 8999808), (115, 8608512), (120, 8249824), (128, 7734210), (132, 7499840), (138, 7173760), (160, 6187368), (165, 5999872), (176, 5624880), (184, 5380320), (192, 5156140), (220, 4499904), (230, 4304256), (240, 4124912), (253, 3912960), (256, 3867105), (264, 3749920), (276, 3586880), (320, 3093684), (330, 2999936), (345, 2869504), (352, 2812440), (368, 2690160), (384, 2578070), (440, 2249952), (460, 2152128), (480, 2062456), (506, 1956480), (528, 1874960), (552, 1793440), (640, 1546842), (660, 1499968), (690, 1434752), (704, 1406220), (736, 1345080), (759, 1304320), (768, 1289035), (880, 1124976), (920, 1076064), (960, 1031228), (1012, 978240), (1019, 971520), (1056, 937480), (1104, 896720), (1265, 782592), (1280, 773421), (1320, 749984), (1380, 717376), (1408, 703110), (1472, 672540), (1518, 652160), (1760, 562488), (1840, 538032), (1920, 515614), (2024, 489120), (2038, 485760), (2112, 468740), (2208, 448360), (2530, 391296), (2640, 374992), (2760, 358688), (2816, 351555), (2944, 336270), (3036, 326080), (3057, 323840), (3520, 281244), (3680, 269016), (3795, 260864), (3840, 257807), (4048, 244560), (4076, 242880), (4224, 234370), (4416, 224180), (5060, 195648), (5095, 194304), (5280, 187496), (5520, 179344), (5888, 168135), (6072, 163040), (6114, 161920), (7040, 140622), (7360, 134508), (7590, 130432), (8096, 122280), (8152, 121440), (8448, 117185), (8832, 112090), (10120, 97824), (10190, 97152), (10560, 93748), (11040, 89672), (11209, 88320), (12144, 81520), (12228, 80960), (14080, 70311), (14720, 67254), (15180, 65216), (15285, 64768), (16192, 61140), (16304, 60720), (17664, 56045), (20240, 48912), (20380, 48576), (21120, 46874), (22080, 44836), (22418, 44160), (23437, 42240), (24288, 40760), (24456, 40480), (29440, 33627), (30360, 32608), (30570, 32384)]