1681890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{8009}}^1$

素因数の和:8026

約数の個数: 32

約数和(自身を含む): 4613760

約数和(自身を除く): 2931870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 8009, 16018, 24027, 40045, 48054, 56063, 80090, 112126, 120135, 168189, 240270, 280315, 336378, 560630, 840945, 1681890]

約数ペア:

[(1, 1681890), (2, 840945), (3, 560630), (5, 336378), (6, 280315), (7, 240270), (10, 168189), (14, 120135), (15, 112126), (21, 80090), (30, 56063), (35, 48054), (42, 40045), (70, 24027), (105, 16018), (210, 8009)]