221437440

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1373}}^1$

素因数の和:1409

約数の個数: 240

約数和(自身を含む): 877095648

約数和(自身を除く): 655658208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1373, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2746, 2880, 3360, 3584, 3840, 4032, 4119, 4480, 4608, 5040, 5376, 5492, 5760, 6720, 6865, 7680, 8064, 8238, 8960, 9611, 10080, 10752, 10984, 11520, 12357, 13440, 13730, 16128, 16476, 17920, 19222, 20160, 20595, 21968, 23040, 24714, 26880, 27460, 28833, 32256, 32952, 38444, 40320, 41190, 43936, 48055, 49428, 53760, 54920, 57666, 61785, 65904, 76888, 80640, 82380, 86499, 87872, 96110, 98856, 109840, 115332, 123570, 131808, 144165, 153776, 161280, 164760, 172998, 175744, 192220, 197712, 219680, 230664, 247140, 263616, 288330, 307552, 329520, 345996, 351488, 384440, 395424, 432495, 439360, 461328, 494280, 527232, 576660, 615104, 659040, 691992, 702976, 768880, 790848, 864990, 878720, 922656, 988560, 1054464, 1153320, 1230208, 1318080, 1383984, 1537760, 1581696, 1729980, 1757440, 1845312, 1977120, 2108928, 2306640, 2460416, 2636160, 2767968, 3075520, 3163392, 3459960, 3514880, 3690624, 3954240, 4613280, 4920832, 5272320, 5535936, 6151040, 6326784, 6919920, 7381248, 7908480, 9226560, 10544640, 11071872, 12302080, 13839840, 14762496, 15816960, 18453120, 22143744, 24604160, 27679680, 31633920, 36906240, 44287488, 55359360, 73812480, 110718720, 221437440]

約数ペア:

[(1, 221437440), (2, 110718720), (3, 73812480), (4, 55359360), (5, 44287488), (6, 36906240), (7, 31633920), (8, 27679680), (9, 24604160), (10, 22143744), (12, 18453120), (14, 15816960), (15, 14762496), (16, 13839840), (18, 12302080), (20, 11071872), (21, 10544640), (24, 9226560), (28, 7908480), (30, 7381248), (32, 6919920), (35, 6326784), (36, 6151040), (40, 5535936), (42, 5272320), (45, 4920832), (48, 4613280), (56, 3954240), (60, 3690624), (63, 3514880), (64, 3459960), (70, 3163392), (72, 3075520), (80, 2767968), (84, 2636160), (90, 2460416), (96, 2306640), (105, 2108928), (112, 1977120), (120, 1845312), (126, 1757440), (128, 1729980), (140, 1581696), (144, 1537760), (160, 1383984), (168, 1318080), (180, 1230208), (192, 1153320), (210, 1054464), (224, 988560), (240, 922656), (252, 878720), (256, 864990), (280, 790848), (288, 768880), (315, 702976), (320, 691992), (336, 659040), (360, 615104), (384, 576660), (420, 527232), (448, 494280), (480, 461328), (504, 439360), (512, 432495), (560, 395424), (576, 384440), (630, 351488), (640, 345996), (672, 329520), (720, 307552), (768, 288330), (840, 263616), (896, 247140), (960, 230664), (1008, 219680), (1120, 197712), (1152, 192220), (1260, 175744), (1280, 172998), (1344, 164760), (1373, 161280), (1440, 153776), (1536, 144165), (1680, 131808), (1792, 123570), (1920, 115332), (2016, 109840), (2240, 98856), (2304, 96110), (2520, 87872), (2560, 86499), (2688, 82380), (2746, 80640), (2880, 76888), (3360, 65904), (3584, 61785), (3840, 57666), (4032, 54920), (4119, 53760), (4480, 49428), (4608, 48055), (5040, 43936), (5376, 41190), (5492, 40320), (5760, 38444), (6720, 32952), (6865, 32256), (7680, 28833), (8064, 27460), (8238, 26880), (8960, 24714), (9611, 23040), (10080, 21968), (10752, 20595), (10984, 20160), (11520, 19222), (12357, 17920), (13440, 16476), (13730, 16128)]