60720520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{216859}}^1$

素因数の和:216877

約数の個数: 32

約数和(自身を含む): 156139200

約数和(自身を除く): 95418680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 216859, 433718, 867436, 1084295, 1518013, 1734872, 2168590, 3036026, 4337180, 6072052, 7590065, 8674360, 12144104, 15180130, 30360260, 60720520]

約数ペア:

[(1, 60720520), (2, 30360260), (4, 15180130), (5, 12144104), (7, 8674360), (8, 7590065), (10, 6072052), (14, 4337180), (20, 3036026), (28, 2168590), (35, 1734872), (40, 1518013), (56, 1084295), (70, 867436), (140, 433718), (280, 216859)]