51439920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 160

約数和(自身を含む): 185369088

約数和(自身を除く): 133929168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 105, 112, 120, 134, 140, 168, 201, 210, 240, 268, 280, 335, 336, 402, 420, 457, 469, 536, 560, 670, 804, 840, 914, 938, 1005, 1072, 1340, 1371, 1407, 1608, 1680, 1828, 1876, 2010, 2285, 2345, 2680, 2742, 2814, 3199, 3216, 3656, 3752, 4020, 4570, 4690, 5360, 5484, 5628, 6398, 6855, 7035, 7312, 7504, 8040, 9140, 9380, 9597, 10968, 11256, 12796, 13710, 14070, 15995, 16080, 18280, 18760, 19194, 21936, 22512, 25592, 27420, 28140, 30619, 31990, 36560, 37520, 38388, 47985, 51184, 54840, 56280, 61238, 63980, 76776, 91857, 95970, 109680, 112560, 122476, 127960, 153095, 153552, 183714, 191940, 214333, 244952, 255920, 306190, 367428, 383880, 428666, 459285, 489904, 612380, 642999, 734856, 767760, 857332, 918570, 1071665, 1224760, 1285998, 1469712, 1714664, 1837140, 2143330, 2449520, 2571996, 3214995, 3429328, 3674280, 4286660, 5143992, 6429990, 7348560, 8573320, 10287984, 12859980, 17146640, 25719960, 51439920]

約数ペア:

[(1, 51439920), (2, 25719960), (3, 17146640), (4, 12859980), (5, 10287984), (6, 8573320), (7, 7348560), (8, 6429990), (10, 5143992), (12, 4286660), (14, 3674280), (15, 3429328), (16, 3214995), (20, 2571996), (21, 2449520), (24, 2143330), (28, 1837140), (30, 1714664), (35, 1469712), (40, 1285998), (42, 1224760), (48, 1071665), (56, 918570), (60, 857332), (67, 767760), (70, 734856), (80, 642999), (84, 612380), (105, 489904), (112, 459285), (120, 428666), (134, 383880), (140, 367428), (168, 306190), (201, 255920), (210, 244952), (240, 214333), (268, 191940), (280, 183714), (335, 153552), (336, 153095), (402, 127960), (420, 122476), (457, 112560), (469, 109680), (536, 95970), (560, 91857), (670, 76776), (804, 63980), (840, 61238), (914, 56280), (938, 54840), (1005, 51184), (1072, 47985), (1340, 38388), (1371, 37520), (1407, 36560), (1608, 31990), (1680, 30619), (1828, 28140), (1876, 27420), (2010, 25592), (2285, 22512), (2345, 21936), (2680, 19194), (2742, 18760), (2814, 18280), (3199, 16080), (3216, 15995), (3656, 14070), (3752, 13710), (4020, 12796), (4570, 11256), (4690, 10968), (5360, 9597), (5484, 9380), (5628, 9140), (6398, 8040), (6855, 7504), (7035, 7312)]