1565620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 3846528

約数和(自身を除く): 2280908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 211, 212, 265, 371, 422, 530, 742, 844, 1055, 1060, 1477, 1484, 1855, 2110, 2954, 3710, 4220, 5908, 7385, 7420, 11183, 14770, 22366, 29540, 44732, 55915, 78281, 111830, 156562, 223660, 313124, 391405, 782810, 1565620]

約数ペア:

[(1, 1565620), (2, 782810), (4, 391405), (5, 313124), (7, 223660), (10, 156562), (14, 111830), (20, 78281), (28, 55915), (35, 44732), (53, 29540), (70, 22366), (106, 14770), (140, 11183), (211, 7420), (212, 7385), (265, 5908), (371, 4220), (422, 3710), (530, 2954), (742, 2110), (844, 1855), (1055, 1484), (1060, 1477)]