1211560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4327}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 3116160

約数和(自身を除く): 1904600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4327, 8654, 17308, 21635, 30289, 34616, 43270, 60578, 86540, 121156, 151445, 173080, 242312, 302890, 605780, 1211560]

約数ペア:

[(1, 1211560), (2, 605780), (4, 302890), (5, 242312), (7, 173080), (8, 151445), (10, 121156), (14, 86540), (20, 60578), (28, 43270), (35, 34616), (40, 30289), (56, 21635), (70, 17308), (140, 8654), (280, 4327)]