20157788160

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{109363}}^1$

素因数の和:109398

約数の個数: 156

約数和(自身を含む): 69872440872

約数和(自身を除く): 49714652712

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, 2880, 3072, 3840, 4096, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 12288, 15360, 18432, 20480, 23040, 30720, 36864, 46080, 61440, 92160, 109363, 184320, 218726, 328089, 437452, 546815, 656178, 874904, 984267, 1093630, 1312356, 1640445, 1749808, 1968534, 2187260, 2624712, 3280890, 3499616, 3937068, 4374520, 4921335, 5249424, 6561780, 6999232, 7874136, 8749040, 9842670, 10498848, 13123560, 13998464, 15748272, 17498080, 19685340, 20997696, 26247120, 27996928, 31496544, 34996160, 39370680, 41995392, 52494240, 55993856, 62993088, 69992320, 78741360, 83990784, 104988480, 111987712, 125986176, 139984640, 157482720, 167981568, 209976960, 223975424, 251972352, 279969280, 314965440, 335963136, 419953920, 447950848, 503944704, 559938560, 629930880, 671926272, 839907840, 1007889408, 1119877120, 1259861760, 1343852544, 1679815680, 2015778816, 2239754240, 2519723520, 3359631360, 4031557632, 5039447040, 6719262720, 10078894080, 20157788160]

約数ペア:

[(1, 20157788160), (2, 10078894080), (3, 6719262720), (4, 5039447040), (5, 4031557632), (6, 3359631360), (8, 2519723520), (9, 2239754240), (10, 2015778816), (12, 1679815680), (15, 1343852544), (16, 1259861760), (18, 1119877120), (20, 1007889408), (24, 839907840), (30, 671926272), (32, 629930880), (36, 559938560), (40, 503944704), (45, 447950848), (48, 419953920), (60, 335963136), (64, 314965440), (72, 279969280), (80, 251972352), (90, 223975424), (96, 209976960), (120, 167981568), (128, 157482720), (144, 139984640), (160, 125986176), (180, 111987712), (192, 104988480), (240, 83990784), (256, 78741360), (288, 69992320), (320, 62993088), (360, 55993856), (384, 52494240), (480, 41995392), (512, 39370680), (576, 34996160), (640, 31496544), (720, 27996928), (768, 26247120), (960, 20997696), (1024, 19685340), (1152, 17498080), (1280, 15748272), (1440, 13998464), (1536, 13123560), (1920, 10498848), (2048, 9842670), (2304, 8749040), (2560, 7874136), (2880, 6999232), (3072, 6561780), (3840, 5249424), (4096, 4921335), (4608, 4374520), (5120, 3937068), (5760, 3499616), (6144, 3280890), (7680, 2624712), (9216, 2187260), (10240, 1968534), (11520, 1749808), (12288, 1640445), (15360, 1312356), (18432, 1093630), (20480, 984267), (23040, 874904), (30720, 656178), (36864, 546815), (46080, 437452), (61440, 328089), (92160, 218726), (109363, 184320)]