161260728

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 422323200

約数和(自身を除く): 261062472

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 389, 552, 751, 778, 1167, 1502, 1556, 2253, 2334, 3004, 3112, 4506, 4668, 6008, 8947, 9012, 9336, 17273, 17894, 18024, 26841, 34546, 35788, 51819, 53682, 69092, 71576, 103638, 107364, 138184, 207276, 214728, 292139, 414552, 584278, 876417, 1168556, 1752834, 2337112, 3505668, 6719197, 7011336, 13438394, 20157591, 26876788, 40315182, 53753576, 80630364, 161260728]

約数ペア:

[(1, 161260728), (2, 80630364), (3, 53753576), (4, 40315182), (6, 26876788), (8, 20157591), (12, 13438394), (23, 7011336), (24, 6719197), (46, 3505668), (69, 2337112), (92, 1752834), (138, 1168556), (184, 876417), (276, 584278), (389, 414552), (552, 292139), (751, 214728), (778, 207276), (1167, 138184), (1502, 107364), (1556, 103638), (2253, 71576), (2334, 69092), (3004, 53682), (3112, 51819), (4506, 35788), (4668, 34546), (6008, 26841), (8947, 18024), (9012, 17894), (9336, 17273)]