1272212480

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 264

約数和(自身を含む): 3881210256

約数和(自身を除く): 2608997776

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 308, 320, 352, 385, 392, 440, 448, 461, 490, 512, 539, 560, 616, 640, 704, 770, 784, 880, 896, 922, 980, 1024, 1078, 1120, 1232, 1280, 1408, 1540, 1568, 1760, 1792, 1844, 1960, 2156, 2240, 2305, 2464, 2560, 2695, 2816, 3080, 3136, 3227, 3520, 3584, 3688, 3920, 4312, 4480, 4610, 4928, 5071, 5120, 5390, 5632, 6160, 6272, 6454, 7040, 7168, 7376, 7840, 8624, 8960, 9220, 9856, 10142, 10780, 11264, 12320, 12544, 12908, 14080, 14752, 15680, 16135, 17248, 17920, 18440, 19712, 20284, 21560, 22589, 24640, 25088, 25355, 25816, 28160, 29504, 31360, 32270, 34496, 35497, 35840, 36880, 39424, 40568, 43120, 45178, 49280, 50176, 50710, 51632, 56320, 59008, 62720, 64540, 68992, 70994, 73760, 78848, 81136, 86240, 90356, 98560, 101420, 103264, 112945, 118016, 125440, 129080, 137984, 141988, 147520, 162272, 172480, 177485, 180712, 197120, 202840, 206528, 225890, 236032, 248479, 250880, 258160, 275968, 283976, 295040, 324544, 344960, 354970, 361424, 394240, 405680, 413056, 451780, 472064, 496958, 516320, 551936, 567952, 590080, 649088, 689920, 709940, 722848, 811360, 826112, 903560, 993916, 1032640, 1135904, 1180160, 1242395, 1298176, 1379840, 1419880, 1445696, 1622720, 1652224, 1807120, 1987832, 2065280, 2271808, 2360320, 2484790, 2596352, 2759680, 2839760, 2891392, 3245440, 3304448, 3614240, 3975664, 4130560, 4543616, 4969580, 5192704, 5679520, 5782784, 6490880, 7228480, 7951328, 8261120, 9087232, 9939160, 11359040, 11565568, 12981760, 14456960, 15902656, 16522240, 18174464, 19878320, 22718080, 23131136, 25963520, 28913920, 31805312, 36348928, 39756640, 45436160, 57827840, 63610624, 79513280, 90872320, 115655680, 127221248, 159026560, 181744640, 254442496, 318053120, 636106240, 1272212480]

約数ペア:

[(1, 1272212480), (2, 636106240), (4, 318053120), (5, 254442496), (7, 181744640), (8, 159026560), (10, 127221248), (11, 115655680), (14, 90872320), (16, 79513280), (20, 63610624), (22, 57827840), (28, 45436160), (32, 39756640), (35, 36348928), (40, 31805312), (44, 28913920), (49, 25963520), (55, 23131136), (56, 22718080), (64, 19878320), (70, 18174464), (77, 16522240), (80, 15902656), (88, 14456960), (98, 12981760), (110, 11565568), (112, 11359040), (128, 9939160), (140, 9087232), (154, 8261120), (160, 7951328), (176, 7228480), (196, 6490880), (220, 5782784), (224, 5679520), (245, 5192704), (256, 4969580), (280, 4543616), (308, 4130560), (320, 3975664), (352, 3614240), (385, 3304448), (392, 3245440), (440, 2891392), (448, 2839760), (461, 2759680), (490, 2596352), (512, 2484790), (539, 2360320), (560, 2271808), (616, 2065280), (640, 1987832), (704, 1807120), (770, 1652224), (784, 1622720), (880, 1445696), (896, 1419880), (922, 1379840), (980, 1298176), (1024, 1242395), (1078, 1180160), (1120, 1135904), (1232, 1032640), (1280, 993916), (1408, 903560), (1540, 826112), (1568, 811360), (1760, 722848), (1792, 709940), (1844, 689920), (1960, 649088), (2156, 590080), (2240, 567952), (2305, 551936), (2464, 516320), (2560, 496958), (2695, 472064), (2816, 451780), (3080, 413056), (3136, 405680), (3227, 394240), (3520, 361424), (3584, 354970), (3688, 344960), (3920, 324544), (4312, 295040), (4480, 283976), (4610, 275968), (4928, 258160), (5071, 250880), (5120, 248479), (5390, 236032), (5632, 225890), (6160, 206528), (6272, 202840), (6454, 197120), (7040, 180712), (7168, 177485), (7376, 172480), (7840, 162272), (8624, 147520), (8960, 141988), (9220, 137984), (9856, 129080), (10142, 125440), (10780, 118016), (11264, 112945), (12320, 103264), (12544, 101420), (12908, 98560), (14080, 90356), (14752, 86240), (15680, 81136), (16135, 78848), (17248, 73760), (17920, 70994), (18440, 68992), (19712, 64540), (20284, 62720), (21560, 59008), (22589, 56320), (24640, 51632), (25088, 50710), (25355, 50176), (25816, 49280), (28160, 45178), (29504, 43120), (31360, 40568), (32270, 39424), (34496, 36880), (35497, 35840)]