124675840

素因数分解:

$2^8\times 5^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 300590640

約数和(自身を除く): 175914800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 379, 514, 640, 758, 1028, 1280, 1285, 1516, 1895, 2056, 2570, 3032, 3790, 4112, 5140, 6064, 7580, 8224, 10280, 12128, 15160, 16448, 20560, 24256, 30320, 32896, 41120, 48512, 60640, 65792, 82240, 97024, 97403, 121280, 164480, 194806, 242560, 328960, 389612, 485120, 487015, 779224, 974030, 1558448, 1948060, 3116896, 3896120, 6233792, 7792240, 12467584, 15584480, 24935168, 31168960, 62337920, 124675840]

約数ペア:

[(1, 124675840), (2, 62337920), (4, 31168960), (5, 24935168), (8, 15584480), (10, 12467584), (16, 7792240), (20, 6233792), (32, 3896120), (40, 3116896), (64, 1948060), (80, 1558448), (128, 974030), (160, 779224), (256, 487015), (257, 485120), (320, 389612), (379, 328960), (514, 242560), (640, 194806), (758, 164480), (1028, 121280), (1280, 97403), (1285, 97024), (1516, 82240), (1895, 65792), (2056, 60640), (2570, 48512), (3032, 41120), (3790, 32896), (4112, 30320), (5140, 24256), (6064, 20560), (7580, 16448), (8224, 15160), (10280, 12128)]