781470

素因数分解:

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

素因数の和:489

約数の個数: 48

約数和(自身を含む): 2143440

約数和(自身を除く): 1361970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 457, 570, 855, 914, 1371, 1710, 2285, 2742, 4113, 4570, 6855, 8226, 8683, 13710, 17366, 20565, 26049, 41130, 43415, 52098, 78147, 86830, 130245, 156294, 260490, 390735, 781470]

約数ペア:

[(1, 781470), (2, 390735), (3, 260490), (5, 156294), (6, 130245), (9, 86830), (10, 78147), (15, 52098), (18, 43415), (19, 41130), (30, 26049), (38, 20565), (45, 17366), (57, 13710), (90, 8683), (95, 8226), (114, 6855), (171, 4570), (190, 4113), (285, 2742), (342, 2285), (457, 1710), (570, 1371), (855, 914)]