1356880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2423}}^1$

素因数の和:2443

約数の個数: 40

約数和(自身を含む): 3606912

約数和(自身を除く): 2250032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2423, 4846, 9692, 12115, 16961, 19384, 24230, 33922, 38768, 48460, 67844, 84805, 96920, 135688, 169610, 193840, 271376, 339220, 678440, 1356880]

約数ペア:

[(1, 1356880), (2, 678440), (4, 339220), (5, 271376), (7, 193840), (8, 169610), (10, 135688), (14, 96920), (16, 84805), (20, 67844), (28, 48460), (35, 38768), (40, 33922), (56, 24230), (70, 19384), (80, 16961), (112, 12115), (140, 9692), (280, 4846), (560, 2423)]