80398560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15227}}^1$

素因数の和:15256

約数の個数: 96

約数和(自身を含む): 276296832

約数和(自身を除く): 195898272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 15227, 30454, 45681, 60908, 76135, 91362, 121816, 152270, 167497, 182724, 228405, 243632, 304540, 334994, 365448, 456810, 487264, 502491, 609080, 669988, 730896, 837485, 913620, 1004982, 1218160, 1339976, 1461792, 1674970, 1827240, 2009964, 2436320, 2512455, 2679952, 3349940, 3654480, 4019928, 5024910, 5359904, 6699880, 7308960, 8039856, 10049820, 13399760, 16079712, 20099640, 26799520, 40199280, 80398560]

約数ペア:

[(1, 80398560), (2, 40199280), (3, 26799520), (4, 20099640), (5, 16079712), (6, 13399760), (8, 10049820), (10, 8039856), (11, 7308960), (12, 6699880), (15, 5359904), (16, 5024910), (20, 4019928), (22, 3654480), (24, 3349940), (30, 2679952), (32, 2512455), (33, 2436320), (40, 2009964), (44, 1827240), (48, 1674970), (55, 1461792), (60, 1339976), (66, 1218160), (80, 1004982), (88, 913620), (96, 837485), (110, 730896), (120, 669988), (132, 609080), (160, 502491), (165, 487264), (176, 456810), (220, 365448), (240, 334994), (264, 304540), (330, 243632), (352, 228405), (440, 182724), (480, 167497), (528, 152270), (660, 121816), (880, 91362), (1056, 76135), (1320, 60908), (1760, 45681), (2640, 30454), (5280, 15227)]