30747920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54907}}^1$

素因数の和:54927

約数の個数: 40

約数和(自身を含む): 81703104

約数和(自身を除く): 50955184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54907, 109814, 219628, 274535, 384349, 439256, 549070, 768698, 878512, 1098140, 1537396, 1921745, 2196280, 3074792, 3843490, 4392560, 6149584, 7686980, 15373960, 30747920]

約数ペア:

[(1, 30747920), (2, 15373960), (4, 7686980), (5, 6149584), (7, 4392560), (8, 3843490), (10, 3074792), (14, 2196280), (16, 1921745), (20, 1537396), (28, 1098140), (35, 878512), (40, 768698), (56, 549070), (70, 439256), (80, 384349), (112, 274535), (140, 219628), (280, 109814), (560, 54907)]