260350720

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{593}}^1$

素因数の和:635

約数の個数: 144

約数和(自身を含む): 728481600

約数和(自身を除く): 468130880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 593, 640, 686, 784, 896, 980, 1120, 1186, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2372, 2744, 2965, 3136, 3430, 3920, 4151, 4480, 4744, 5488, 5930, 6272, 6860, 7840, 8302, 8960, 9488, 10976, 11860, 12544, 13720, 15680, 16604, 18976, 20755, 21952, 23720, 27440, 29057, 31360, 33208, 37952, 41510, 43904, 47440, 54880, 58114, 62720, 66416, 75904, 83020, 87808, 94880, 109760, 116228, 132832, 145285, 151808, 166040, 189760, 203399, 219520, 232456, 265664, 290570, 332080, 379520, 406798, 439040, 464912, 531328, 581140, 664160, 759040, 813596, 929824, 1016995, 1062656, 1162280, 1328320, 1627192, 1859648, 2033990, 2324560, 2656640, 3254384, 3719296, 4067980, 4649120, 5313280, 6508768, 7438592, 8135960, 9298240, 13017536, 16271920, 18596480, 26035072, 32543840, 37192960, 52070144, 65087680, 130175360, 260350720]

約数ペア:

[(1, 260350720), (2, 130175360), (4, 65087680), (5, 52070144), (7, 37192960), (8, 32543840), (10, 26035072), (14, 18596480), (16, 16271920), (20, 13017536), (28, 9298240), (32, 8135960), (35, 7438592), (40, 6508768), (49, 5313280), (56, 4649120), (64, 4067980), (70, 3719296), (80, 3254384), (98, 2656640), (112, 2324560), (128, 2033990), (140, 1859648), (160, 1627192), (196, 1328320), (224, 1162280), (245, 1062656), (256, 1016995), (280, 929824), (320, 813596), (343, 759040), (392, 664160), (448, 581140), (490, 531328), (560, 464912), (593, 439040), (640, 406798), (686, 379520), (784, 332080), (896, 290570), (980, 265664), (1120, 232456), (1186, 219520), (1280, 203399), (1372, 189760), (1568, 166040), (1715, 151808), (1792, 145285), (1960, 132832), (2240, 116228), (2372, 109760), (2744, 94880), (2965, 87808), (3136, 83020), (3430, 75904), (3920, 66416), (4151, 62720), (4480, 58114), (4744, 54880), (5488, 47440), (5930, 43904), (6272, 41510), (6860, 37952), (7840, 33208), (8302, 31360), (8960, 29057), (9488, 27440), (10976, 23720), (11860, 21952), (12544, 20755), (13720, 18976), (15680, 16604)]