25719960

素因数分解:

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

素因数の和:545

約数の個数: 128

約数和(自身を含む): 89694720

約数和(自身を除く): 63974760

約数列:

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

約数ペア:

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