67431680

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 163111200

約数和(自身を除く): 95679520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 379, 556, 640, 695, 758, 1112, 1280, 1390, 1516, 1895, 2224, 2780, 3032, 3790, 4448, 5560, 6064, 7580, 8896, 11120, 12128, 15160, 17792, 22240, 24256, 30320, 35584, 44480, 48512, 52681, 60640, 88960, 97024, 105362, 121280, 177920, 210724, 242560, 263405, 421448, 485120, 526810, 842896, 1053620, 1685792, 2107240, 3371584, 4214480, 6743168, 8428960, 13486336, 16857920, 33715840, 67431680]

約数ペア:

[(1, 67431680), (2, 33715840), (4, 16857920), (5, 13486336), (8, 8428960), (10, 6743168), (16, 4214480), (20, 3371584), (32, 2107240), (40, 1685792), (64, 1053620), (80, 842896), (128, 526810), (139, 485120), (160, 421448), (256, 263405), (278, 242560), (320, 210724), (379, 177920), (556, 121280), (640, 105362), (695, 97024), (758, 88960), (1112, 60640), (1280, 52681), (1390, 48512), (1516, 44480), (1895, 35584), (2224, 30320), (2780, 24256), (3032, 22240), (3790, 17792), (4448, 15160), (5560, 12128), (6064, 11120), (7580, 8896)]