638062080

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:608

約数の個数: 160

約数和(自身を含む): 2054118528

約数和(自身を除く): 1416056448

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, 251, 256, 320, 331, 384, 480, 502, 512, 640, 662, 753, 768, 960, 993, 1004, 1255, 1280, 1324, 1506, 1536, 1655, 1920, 1986, 2008, 2510, 2560, 2648, 3012, 3310, 3765, 3840, 3972, 4016, 4965, 5020, 5296, 6024, 6620, 7530, 7680, 7944, 8032, 9930, 10040, 10592, 12048, 13240, 15060, 15888, 16064, 19860, 20080, 21184, 24096, 26480, 30120, 31776, 32128, 39720, 40160, 42368, 48192, 52960, 60240, 63552, 64256, 79440, 80320, 83081, 84736, 96384, 105920, 120480, 127104, 128512, 158880, 160640, 166162, 169472, 192768, 211840, 240960, 249243, 254208, 317760, 321280, 332324, 385536, 415405, 423680, 481920, 498486, 508416, 635520, 642560, 664648, 830810, 847360, 963840, 996972, 1246215, 1271040, 1329296, 1661620, 1927680, 1993944, 2492430, 2542080, 2658592, 3323240, 3987888, 4984860, 5317184, 6646480, 7975776, 9969720, 10634368, 13292960, 15951552, 19939440, 21268736, 26585920, 31903104, 39878880, 42537472, 53171840, 63806208, 79757760, 106343680, 127612416, 159515520, 212687360, 319031040, 638062080]

約数ペア:

[(1, 638062080), (2, 319031040), (3, 212687360), (4, 159515520), (5, 127612416), (6, 106343680), (8, 79757760), (10, 63806208), (12, 53171840), (15, 42537472), (16, 39878880), (20, 31903104), (24, 26585920), (30, 21268736), (32, 19939440), (40, 15951552), (48, 13292960), (60, 10634368), (64, 9969720), (80, 7975776), (96, 6646480), (120, 5317184), (128, 4984860), (160, 3987888), (192, 3323240), (240, 2658592), (251, 2542080), (256, 2492430), (320, 1993944), (331, 1927680), (384, 1661620), (480, 1329296), (502, 1271040), (512, 1246215), (640, 996972), (662, 963840), (753, 847360), (768, 830810), (960, 664648), (993, 642560), (1004, 635520), (1255, 508416), (1280, 498486), (1324, 481920), (1506, 423680), (1536, 415405), (1655, 385536), (1920, 332324), (1986, 321280), (2008, 317760), (2510, 254208), (2560, 249243), (2648, 240960), (3012, 211840), (3310, 192768), (3765, 169472), (3840, 166162), (3972, 160640), (4016, 158880), (4965, 128512), (5020, 127104), (5296, 120480), (6024, 105920), (6620, 96384), (7530, 84736), (7680, 83081), (7944, 80320), (8032, 79440), (9930, 64256), (10040, 63552), (10592, 60240), (12048, 52960), (13240, 48192), (15060, 42368), (15888, 40160), (16064, 39720), (19860, 32128), (20080, 31776), (21184, 30120), (24096, 26480)]