520980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 1538880

約数和(自身を除く): 1017900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 457, 570, 914, 1140, 1371, 1828, 2285, 2742, 4570, 5484, 6855, 8683, 9140, 13710, 17366, 26049, 27420, 34732, 43415, 52098, 86830, 104196, 130245, 173660, 260490, 520980]

約数ペア:

[(1, 520980), (2, 260490), (3, 173660), (4, 130245), (5, 104196), (6, 86830), (10, 52098), (12, 43415), (15, 34732), (19, 27420), (20, 26049), (30, 17366), (38, 13710), (57, 9140), (60, 8683), (76, 6855), (95, 5484), (114, 4570), (190, 2742), (228, 2285), (285, 1828), (380, 1371), (457, 1140), (570, 914)]