66961160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239147}}^1$

素因数の和:239165

約数の個数: 32

約数和(自身を含む): 172186560

約数和(自身を除く): 105225400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239147, 478294, 956588, 1195735, 1674029, 1913176, 2391470, 3348058, 4782940, 6696116, 8370145, 9565880, 13392232, 16740290, 33480580, 66961160]

約数ペア:

[(1, 66961160), (2, 33480580), (4, 16740290), (5, 13392232), (7, 9565880), (8, 8370145), (10, 6696116), (14, 4782940), (20, 3348058), (28, 2391470), (35, 1913176), (40, 1674029), (56, 1195735), (70, 956588), (140, 478294), (280, 239147)]