64481725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 109992960

約数和(自身を除く): 45511235

約数列:

[1, 5, 7, 11, 19, 25, 35, 41, 43, 55, 77, 95, 133, 175, 205, 209, 215, 275, 287, 301, 385, 451, 473, 475, 665, 779, 817, 1025, 1045, 1075, 1435, 1463, 1505, 1763, 1925, 2255, 2365, 3157, 3311, 3325, 3895, 4085, 5225, 5453, 5719, 7175, 7315, 7525, 8569, 8815, 8987, 11275, 11825, 12341, 15785, 16555, 19393, 19475, 20425, 27265, 28595, 33497, 36575, 42845, 44075, 44935, 59983, 61705, 62909, 78925, 82775, 96965, 135751, 136325, 142975, 167485, 214225, 224675, 234479, 299915, 308525, 314545, 368467, 484825, 678755, 837425, 1172395, 1499575, 1572725, 1842335, 2579269, 3393775, 5861975, 9211675, 12896345, 64481725]

約数ペア:

[(1, 64481725), (5, 12896345), (7, 9211675), (11, 5861975), (19, 3393775), (25, 2579269), (35, 1842335), (41, 1572725), (43, 1499575), (55, 1172395), (77, 837425), (95, 678755), (133, 484825), (175, 368467), (205, 314545), (209, 308525), (215, 299915), (275, 234479), (287, 224675), (301, 214225), (385, 167485), (451, 142975), (473, 136325), (475, 135751), (665, 96965), (779, 82775), (817, 78925), (1025, 62909), (1045, 61705), (1075, 59983), (1435, 44935), (1463, 44075), (1505, 42845), (1763, 36575), (1925, 33497), (2255, 28595), (2365, 27265), (3157, 20425), (3311, 19475), (3325, 19393), (3895, 16555), (4085, 15785), (5225, 12341), (5453, 11825), (5719, 11275), (7175, 8987), (7315, 8815), (7525, 8569)]