7687960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27457}}^1$

素因数の和:27475

約数の個数: 32

約数和(自身を含む): 19769760

約数和(自身を除く): 12081800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27457, 54914, 109828, 137285, 192199, 219656, 274570, 384398, 549140, 768796, 960995, 1098280, 1537592, 1921990, 3843980, 7687960]

約数ペア:

[(1, 7687960), (2, 3843980), (4, 1921990), (5, 1537592), (7, 1098280), (8, 960995), (10, 768796), (14, 549140), (20, 384398), (28, 274570), (35, 219656), (40, 192199), (56, 137285), (70, 109828), (140, 54914), (280, 27457)]