257115040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17659}}^1$

素因数の和:17694

約数の個数: 96

約数和(自身を含む): 747653760

約数和(自身を除く): 490538720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 17659, 35318, 70636, 88295, 123613, 141272, 176590, 229567, 247226, 282544, 353180, 459134, 494452, 565088, 618065, 706360, 918268, 988904, 1147835, 1236130, 1412720, 1606969, 1836536, 1977808, 2295670, 2472260, 2825440, 3213938, 3673072, 3955616, 4591340, 4944520, 6427876, 7346144, 8034845, 9182680, 9889040, 12855752, 16069690, 18365360, 19778080, 25711504, 32139380, 36730720, 51423008, 64278760, 128557520, 257115040]

約数ペア:

[(1, 257115040), (2, 128557520), (4, 64278760), (5, 51423008), (7, 36730720), (8, 32139380), (10, 25711504), (13, 19778080), (14, 18365360), (16, 16069690), (20, 12855752), (26, 9889040), (28, 9182680), (32, 8034845), (35, 7346144), (40, 6427876), (52, 4944520), (56, 4591340), (65, 3955616), (70, 3673072), (80, 3213938), (91, 2825440), (104, 2472260), (112, 2295670), (130, 1977808), (140, 1836536), (160, 1606969), (182, 1412720), (208, 1236130), (224, 1147835), (260, 988904), (280, 918268), (364, 706360), (416, 618065), (455, 565088), (520, 494452), (560, 459134), (728, 353180), (910, 282544), (1040, 247226), (1120, 229567), (1456, 176590), (1820, 141272), (2080, 123613), (2912, 88295), (3640, 70636), (7280, 35318), (14560, 17659)]