831557440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 168

約数和(自身を含む): 2324066472

約数和(自身を除く): 1492509032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 181, 196, 224, 245, 280, 293, 320, 362, 392, 448, 490, 560, 586, 724, 784, 905, 980, 1120, 1172, 1267, 1448, 1465, 1568, 1810, 1960, 2051, 2240, 2344, 2534, 2896, 2930, 3136, 3620, 3920, 4102, 4688, 5068, 5792, 5860, 6335, 7240, 7840, 8204, 8869, 9376, 10136, 10255, 11584, 11720, 12670, 14357, 14480, 15680, 16408, 17738, 18752, 20272, 20510, 23440, 25340, 28714, 28960, 32816, 35476, 40544, 41020, 44345, 46880, 50680, 53033, 57428, 57920, 65632, 70952, 71785, 81088, 82040, 88690, 93760, 101360, 106066, 114856, 131264, 141904, 143570, 164080, 177380, 202720, 212132, 229712, 265165, 283808, 287140, 328160, 354760, 371231, 405440, 424264, 459424, 530330, 567616, 574280, 656320, 709520, 742462, 848528, 918848, 1060660, 1148560, 1419040, 1484924, 1697056, 1856155, 2121320, 2297120, 2598617, 2838080, 2969848, 3394112, 3712310, 4242640, 4594240, 5197234, 5939696, 7424620, 8485280, 10394468, 11879392, 12993085, 14849240, 16970560, 20788936, 23758784, 25986170, 29698480, 41577872, 51972340, 59396960, 83155744, 103944680, 118793920, 166311488, 207889360, 415778720, 831557440]

約数ペア:

[(1, 831557440), (2, 415778720), (4, 207889360), (5, 166311488), (7, 118793920), (8, 103944680), (10, 83155744), (14, 59396960), (16, 51972340), (20, 41577872), (28, 29698480), (32, 25986170), (35, 23758784), (40, 20788936), (49, 16970560), (56, 14849240), (64, 12993085), (70, 11879392), (80, 10394468), (98, 8485280), (112, 7424620), (140, 5939696), (160, 5197234), (181, 4594240), (196, 4242640), (224, 3712310), (245, 3394112), (280, 2969848), (293, 2838080), (320, 2598617), (362, 2297120), (392, 2121320), (448, 1856155), (490, 1697056), (560, 1484924), (586, 1419040), (724, 1148560), (784, 1060660), (905, 918848), (980, 848528), (1120, 742462), (1172, 709520), (1267, 656320), (1448, 574280), (1465, 567616), (1568, 530330), (1810, 459424), (1960, 424264), (2051, 405440), (2240, 371231), (2344, 354760), (2534, 328160), (2896, 287140), (2930, 283808), (3136, 265165), (3620, 229712), (3920, 212132), (4102, 202720), (4688, 177380), (5068, 164080), (5792, 143570), (5860, 141904), (6335, 131264), (7240, 114856), (7840, 106066), (8204, 101360), (8869, 93760), (9376, 88690), (10136, 82040), (10255, 81088), (11584, 71785), (11720, 70952), (12670, 65632), (14357, 57920), (14480, 57428), (15680, 53033), (16408, 50680), (17738, 46880), (18752, 44345), (20272, 41020), (20510, 40544), (23440, 35476), (25340, 32816), (28714, 28960)]