648637440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 264

約数和(自身を含む): 2286908400

約数和(自身を除く): 1638270960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 256, 264, 320, 330, 349, 352, 363, 384, 440, 480, 484, 512, 528, 605, 640, 660, 698, 704, 726, 768, 880, 960, 968, 1024, 1047, 1056, 1210, 1280, 1320, 1396, 1408, 1452, 1536, 1745, 1760, 1815, 1920, 1936, 2094, 2112, 2420, 2560, 2640, 2792, 2816, 2904, 3072, 3490, 3520, 3630, 3839, 3840, 3872, 4188, 4224, 4840, 5120, 5235, 5280, 5584, 5632, 5808, 6980, 7040, 7260, 7678, 7680, 7744, 8376, 8448, 9680, 10470, 10560, 11168, 11264, 11517, 11616, 13960, 14080, 14520, 15356, 15360, 15488, 16752, 16896, 19195, 19360, 20940, 21120, 22336, 23034, 23232, 27920, 28160, 29040, 30712, 30976, 33504, 33792, 38390, 38720, 41880, 42229, 42240, 44672, 46068, 46464, 55840, 56320, 57585, 58080, 61424, 61952, 67008, 76780, 77440, 83760, 84458, 84480, 89344, 92136, 92928, 111680, 115170, 116160, 122848, 123904, 126687, 134016, 153560, 154880, 167520, 168916, 168960, 178688, 184272, 185856, 211145, 223360, 230340, 232320, 245696, 253374, 268032, 307120, 309760, 335040, 337832, 357376, 368544, 371712, 422290, 446720, 460680, 464640, 491392, 506748, 536064, 614240, 619520, 633435, 670080, 675664, 737088, 844580, 893440, 921360, 929280, 982784, 1013496, 1072128, 1228480, 1266870, 1340160, 1351328, 1474176, 1689160, 1786880, 1842720, 1858560, 1965568, 2026992, 2456960, 2533740, 2680320, 2702656, 2948352, 3378320, 3685440, 3931136, 4053984, 4913920, 5067480, 5360640, 5405312, 5896704, 6756640, 7370880, 8107968, 9827840, 10134960, 10810624, 11793408, 13513280, 14741760, 16215936, 19655680, 20269920, 21621248, 27026560, 29483520, 32431872, 40539840, 43242496, 54053120, 58967040, 64863744, 81079680, 108106240, 129727488, 162159360, 216212480, 324318720, 648637440]

約数ペア:

[(1, 648637440), (2, 324318720), (3, 216212480), (4, 162159360), (5, 129727488), (6, 108106240), (8, 81079680), (10, 64863744), (11, 58967040), (12, 54053120), (15, 43242496), (16, 40539840), (20, 32431872), (22, 29483520), (24, 27026560), (30, 21621248), (32, 20269920), (33, 19655680), (40, 16215936), (44, 14741760), (48, 13513280), (55, 11793408), (60, 10810624), (64, 10134960), (66, 9827840), (80, 8107968), (88, 7370880), (96, 6756640), (110, 5896704), (120, 5405312), (121, 5360640), (128, 5067480), (132, 4913920), (160, 4053984), (165, 3931136), (176, 3685440), (192, 3378320), (220, 2948352), (240, 2702656), (242, 2680320), (256, 2533740), (264, 2456960), (320, 2026992), (330, 1965568), (349, 1858560), (352, 1842720), (363, 1786880), (384, 1689160), (440, 1474176), (480, 1351328), (484, 1340160), (512, 1266870), (528, 1228480), (605, 1072128), (640, 1013496), (660, 982784), (698, 929280), (704, 921360), (726, 893440), (768, 844580), (880, 737088), (960, 675664), (968, 670080), (1024, 633435), (1047, 619520), (1056, 614240), (1210, 536064), (1280, 506748), (1320, 491392), (1396, 464640), (1408, 460680), (1452, 446720), (1536, 422290), (1745, 371712), (1760, 368544), (1815, 357376), (1920, 337832), (1936, 335040), (2094, 309760), (2112, 307120), (2420, 268032), (2560, 253374), (2640, 245696), (2792, 232320), (2816, 230340), (2904, 223360), (3072, 211145), (3490, 185856), (3520, 184272), (3630, 178688), (3839, 168960), (3840, 168916), (3872, 167520), (4188, 154880), (4224, 153560), (4840, 134016), (5120, 126687), (5235, 123904), (5280, 122848), (5584, 116160), (5632, 115170), (5808, 111680), (6980, 92928), (7040, 92136), (7260, 89344), (7678, 84480), (7680, 84458), (7744, 83760), (8376, 77440), (8448, 76780), (9680, 67008), (10470, 61952), (10560, 61424), (11168, 58080), (11264, 57585), (11517, 56320), (11616, 55840), (13960, 46464), (14080, 46068), (14520, 44672), (15356, 42240), (15360, 42229), (15488, 41880), (16752, 38720), (16896, 38390), (19195, 33792), (19360, 33504), (20940, 30976), (21120, 30712), (22336, 29040), (23034, 28160), (23232, 27920)]