561565440

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{16249}}^1$

素因数の和:16279

約数の個数: 144

約数和(自身を含む): 1992900000

約数和(自身を除く): 1431334560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 16249, 17280, 32498, 34560, 48747, 64996, 81245, 97494, 129992, 146241, 162490, 194988, 243735, 259984, 292482, 324980, 389976, 438723, 487470, 519968, 584964, 649960, 731205, 779952, 877446, 974940, 1039936, 1169928, 1299920, 1462410, 1559904, 1754892, 1949880, 2079872, 2193615, 2339856, 2599840, 2924820, 3119808, 3509784, 3899760, 4159744, 4387230, 4679712, 5199680, 5849640, 6239616, 7019568, 7799520, 8774460, 9359424, 10399360, 11699280, 12479232, 14039136, 15599040, 17548920, 18718848, 20798720, 23398560, 28078272, 31198080, 35097840, 37437696, 46797120, 56156544, 62396160, 70195680, 93594240, 112313088, 140391360, 187188480, 280782720, 561565440]

約数ペア:

[(1, 561565440), (2, 280782720), (3, 187188480), (4, 140391360), (5, 112313088), (6, 93594240), (8, 70195680), (9, 62396160), (10, 56156544), (12, 46797120), (15, 37437696), (16, 35097840), (18, 31198080), (20, 28078272), (24, 23398560), (27, 20798720), (30, 18718848), (32, 17548920), (36, 15599040), (40, 14039136), (45, 12479232), (48, 11699280), (54, 10399360), (60, 9359424), (64, 8774460), (72, 7799520), (80, 7019568), (90, 6239616), (96, 5849640), (108, 5199680), (120, 4679712), (128, 4387230), (135, 4159744), (144, 3899760), (160, 3509784), (180, 3119808), (192, 2924820), (216, 2599840), (240, 2339856), (256, 2193615), (270, 2079872), (288, 1949880), (320, 1754892), (360, 1559904), (384, 1462410), (432, 1299920), (480, 1169928), (540, 1039936), (576, 974940), (640, 877446), (720, 779952), (768, 731205), (864, 649960), (960, 584964), (1080, 519968), (1152, 487470), (1280, 438723), (1440, 389976), (1728, 324980), (1920, 292482), (2160, 259984), (2304, 243735), (2880, 194988), (3456, 162490), (3840, 146241), (4320, 129992), (5760, 97494), (6912, 81245), (8640, 64996), (11520, 48747), (16249, 34560), (17280, 32498)]