19799040

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1289}}^1$

素因数の和:1317

約数の個数: 88

約数和(自身を含む): 63375120

約数和(自身を除く): 43576080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1289, 1536, 1920, 2560, 2578, 3072, 3840, 3867, 5120, 5156, 6445, 7680, 7734, 10312, 12890, 15360, 15468, 19335, 20624, 25780, 30936, 38670, 41248, 51560, 61872, 77340, 82496, 103120, 123744, 154680, 164992, 206240, 247488, 309360, 329984, 412480, 494976, 618720, 659968, 824960, 989952, 1237440, 1319936, 1649920, 1979904, 2474880, 3299840, 3959808, 4949760, 6599680, 9899520, 19799040]

約数ペア:

[(1, 19799040), (2, 9899520), (3, 6599680), (4, 4949760), (5, 3959808), (6, 3299840), (8, 2474880), (10, 1979904), (12, 1649920), (15, 1319936), (16, 1237440), (20, 989952), (24, 824960), (30, 659968), (32, 618720), (40, 494976), (48, 412480), (60, 329984), (64, 309360), (80, 247488), (96, 206240), (120, 164992), (128, 154680), (160, 123744), (192, 103120), (240, 82496), (256, 77340), (320, 61872), (384, 51560), (480, 41248), (512, 38670), (640, 30936), (768, 25780), (960, 20624), (1024, 19335), (1280, 15468), (1289, 15360), (1536, 12890), (1920, 10312), (2560, 7734), (2578, 7680), (3072, 6445), (3840, 5156), (3867, 5120)]