87821440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19603}}^1$

素因数の和:19629

約数の個数: 64

約数和(自身を含む): 239952960

約数和(自身を除く): 152131520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 19603, 39206, 78412, 98015, 137221, 156824, 196030, 274442, 313648, 392060, 548884, 627296, 686105, 784120, 1097768, 1254592, 1372210, 1568240, 2195536, 2509184, 2744420, 3136480, 4391072, 5488840, 6272960, 8782144, 10977680, 12545920, 17564288, 21955360, 43910720, 87821440]

約数ペア:

[(1, 87821440), (2, 43910720), (4, 21955360), (5, 17564288), (7, 12545920), (8, 10977680), (10, 8782144), (14, 6272960), (16, 5488840), (20, 4391072), (28, 3136480), (32, 2744420), (35, 2509184), (40, 2195536), (56, 1568240), (64, 1372210), (70, 1254592), (80, 1097768), (112, 784120), (128, 686105), (140, 627296), (160, 548884), (224, 392060), (280, 313648), (320, 274442), (448, 196030), (560, 156824), (640, 137221), (896, 98015), (1120, 78412), (2240, 39206), (4480, 19603)]