1216720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 2883744

約数和(自身を除く): 1667024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 227, 268, 335, 454, 536, 670, 908, 1072, 1135, 1340, 1816, 2270, 2680, 3632, 4540, 5360, 9080, 15209, 18160, 30418, 60836, 76045, 121672, 152090, 243344, 304180, 608360, 1216720]

約数ペア:

[(1, 1216720), (2, 608360), (4, 304180), (5, 243344), (8, 152090), (10, 121672), (16, 76045), (20, 60836), (40, 30418), (67, 18160), (80, 15209), (134, 9080), (227, 5360), (268, 4540), (335, 3632), (454, 2680), (536, 2270), (670, 1816), (908, 1340), (1072, 1135)]