201616520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720059}}^1$

素因数の和:720077

約数の個数: 32

約数和(自身を含む): 518443200

約数和(自身を除く): 316826680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720059, 1440118, 2880236, 3600295, 5040413, 5760472, 7200590, 10080826, 14401180, 20161652, 25202065, 28802360, 40323304, 50404130, 100808260, 201616520]

約数ペア:

[(1, 201616520), (2, 100808260), (4, 50404130), (5, 40323304), (7, 28802360), (8, 25202065), (10, 20161652), (14, 14401180), (20, 10080826), (28, 7200590), (35, 5760472), (40, 5040413), (56, 3600295), (70, 2880236), (140, 1440118), (280, 720059)]