16271920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{593}}^1$

素因数の和:627

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 27921680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 593, 686, 784, 980, 1186, 1372, 1715, 1960, 2372, 2744, 2965, 3430, 3920, 4151, 4744, 5488, 5930, 6860, 8302, 9488, 11860, 13720, 16604, 20755, 23720, 27440, 29057, 33208, 41510, 47440, 58114, 66416, 83020, 116228, 145285, 166040, 203399, 232456, 290570, 332080, 406798, 464912, 581140, 813596, 1016995, 1162280, 1627192, 2033990, 2324560, 3254384, 4067980, 8135960, 16271920]

約数ペア:

[(1, 16271920), (2, 8135960), (4, 4067980), (5, 3254384), (7, 2324560), (8, 2033990), (10, 1627192), (14, 1162280), (16, 1016995), (20, 813596), (28, 581140), (35, 464912), (40, 406798), (49, 332080), (56, 290570), (70, 232456), (80, 203399), (98, 166040), (112, 145285), (140, 116228), (196, 83020), (245, 66416), (280, 58114), (343, 47440), (392, 41510), (490, 33208), (560, 29057), (593, 27440), (686, 23720), (784, 20755), (980, 16604), (1186, 13720), (1372, 11860), (1715, 9488), (1960, 8302), (2372, 6860), (2744, 5930), (2965, 5488), (3430, 4744), (3920, 4151)]