131224960

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1\times {\mathrm{541}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 315118800

約数和(自身を除く): 183893840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 541, 640, 758, 1082, 1516, 1895, 2164, 2705, 3032, 3790, 4328, 5410, 6064, 7580, 8656, 10820, 12128, 15160, 17312, 21640, 24256, 30320, 34624, 43280, 48512, 60640, 69248, 86560, 121280, 173120, 205039, 242560, 346240, 410078, 820156, 1025195, 1640312, 2050390, 3280624, 4100780, 6561248, 8201560, 13122496, 16403120, 26244992, 32806240, 65612480, 131224960]

約数ペア:

[(1, 131224960), (2, 65612480), (4, 32806240), (5, 26244992), (8, 16403120), (10, 13122496), (16, 8201560), (20, 6561248), (32, 4100780), (40, 3280624), (64, 2050390), (80, 1640312), (128, 1025195), (160, 820156), (320, 410078), (379, 346240), (541, 242560), (640, 205039), (758, 173120), (1082, 121280), (1516, 86560), (1895, 69248), (2164, 60640), (2705, 48512), (3032, 43280), (3790, 34624), (4328, 30320), (5410, 24256), (6064, 21640), (7580, 17312), (8656, 15160), (10820, 12128)]