253347840

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{2749}}^1$

素因数の和:2782

約数の個数: 144

約数和(自身を含む): 878377500

約数和(自身を除く): 625029660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2749, 2880, 3072, 3840, 4608, 5120, 5498, 5760, 6144, 7680, 8247, 9216, 10240, 10996, 11520, 13745, 15360, 16494, 18432, 21992, 23040, 24741, 27490, 30720, 32988, 41235, 43984, 46080, 49482, 54980, 65976, 82470, 87968, 92160, 98964, 109960, 123705, 131952, 164940, 175936, 197928, 219920, 247410, 263904, 329880, 351872, 395856, 439840, 494820, 527808, 659760, 703744, 791712, 879680, 989640, 1055616, 1319520, 1407488, 1583424, 1759360, 1979280, 2111232, 2639040, 2814976, 3166848, 3518720, 3958560, 4222464, 5278080, 5629952, 6333696, 7037440, 7917120, 8444928, 10556160, 12667392, 14074880, 15834240, 16889856, 21112320, 25334784, 28149760, 31668480, 42224640, 50669568, 63336960, 84449280, 126673920, 253347840]

約数ペア:

[(1, 253347840), (2, 126673920), (3, 84449280), (4, 63336960), (5, 50669568), (6, 42224640), (8, 31668480), (9, 28149760), (10, 25334784), (12, 21112320), (15, 16889856), (16, 15834240), (18, 14074880), (20, 12667392), (24, 10556160), (30, 8444928), (32, 7917120), (36, 7037440), (40, 6333696), (45, 5629952), (48, 5278080), (60, 4222464), (64, 3958560), (72, 3518720), (80, 3166848), (90, 2814976), (96, 2639040), (120, 2111232), (128, 1979280), (144, 1759360), (160, 1583424), (180, 1407488), (192, 1319520), (240, 1055616), (256, 989640), (288, 879680), (320, 791712), (360, 703744), (384, 659760), (480, 527808), (512, 494820), (576, 439840), (640, 395856), (720, 351872), (768, 329880), (960, 263904), (1024, 247410), (1152, 219920), (1280, 197928), (1440, 175936), (1536, 164940), (1920, 131952), (2048, 123705), (2304, 109960), (2560, 98964), (2749, 92160), (2880, 87968), (3072, 82470), (3840, 65976), (4608, 54980), (5120, 49482), (5498, 46080), (5760, 43984), (6144, 41235), (7680, 32988), (8247, 30720), (9216, 27490), (10240, 24741), (10996, 23040), (11520, 21992), (13745, 18432), (15360, 16494)]