1520678400

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{199}}^2$

素因数の和:429

約数の個数: 180

約数和(自身を含む): 5048836452

約数和(自身を除く): 3528158052

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 199, 200, 240, 256, 300, 320, 384, 398, 400, 480, 512, 597, 600, 640, 768, 796, 800, 960, 995, 1194, 1200, 1280, 1536, 1592, 1600, 1920, 1990, 2388, 2400, 2560, 2985, 3184, 3200, 3840, 3980, 4776, 4800, 4975, 5970, 6368, 6400, 7680, 7960, 9552, 9600, 9950, 11940, 12736, 12800, 14925, 15920, 19104, 19200, 19900, 23880, 25472, 29850, 31840, 38208, 38400, 39601, 39800, 47760, 50944, 59700, 63680, 76416, 79202, 79600, 95520, 101888, 118803, 119400, 127360, 152832, 158404, 159200, 191040, 198005, 237606, 238800, 254720, 305664, 316808, 318400, 382080, 396010, 475212, 477600, 509440, 594015, 633616, 636800, 764160, 792020, 950424, 955200, 990025, 1188030, 1267232, 1273600, 1528320, 1584040, 1900848, 1910400, 1980050, 2376060, 2534464, 2547200, 2970075, 3168080, 3801696, 3820800, 3960100, 4752120, 5068928, 5940150, 6336160, 7603392, 7641600, 7920200, 9504240, 10137856, 11880300, 12672320, 15206784, 15840400, 19008480, 20275712, 23760600, 25344640, 30413568, 31680800, 38016960, 47521200, 50689280, 60827136, 63361600, 76033920, 95042400, 101378560, 126723200, 152067840, 190084800, 253446400, 304135680, 380169600, 506892800, 760339200, 1520678400]

約数ペア:

[(1, 1520678400), (2, 760339200), (3, 506892800), (4, 380169600), (5, 304135680), (6, 253446400), (8, 190084800), (10, 152067840), (12, 126723200), (15, 101378560), (16, 95042400), (20, 76033920), (24, 63361600), (25, 60827136), (30, 50689280), (32, 47521200), (40, 38016960), (48, 31680800), (50, 30413568), (60, 25344640), (64, 23760600), (75, 20275712), (80, 19008480), (96, 15840400), (100, 15206784), (120, 12672320), (128, 11880300), (150, 10137856), (160, 9504240), (192, 7920200), (199, 7641600), (200, 7603392), (240, 6336160), (256, 5940150), (300, 5068928), (320, 4752120), (384, 3960100), (398, 3820800), (400, 3801696), (480, 3168080), (512, 2970075), (597, 2547200), (600, 2534464), (640, 2376060), (768, 1980050), (796, 1910400), (800, 1900848), (960, 1584040), (995, 1528320), (1194, 1273600), (1200, 1267232), (1280, 1188030), (1536, 990025), (1592, 955200), (1600, 950424), (1920, 792020), (1990, 764160), (2388, 636800), (2400, 633616), (2560, 594015), (2985, 509440), (3184, 477600), (3200, 475212), (3840, 396010), (3980, 382080), (4776, 318400), (4800, 316808), (4975, 305664), (5970, 254720), (6368, 238800), (6400, 237606), (7680, 198005), (7960, 191040), (9552, 159200), (9600, 158404), (9950, 152832), (11940, 127360), (12736, 119400), (12800, 118803), (14925, 101888), (15920, 95520), (19104, 79600), (19200, 79202), (19900, 76416), (23880, 63680), (25472, 59700), (29850, 50944), (31840, 47760), (38208, 39800), (38400, 39601)]