313616320

素因数分解:

$2^6\times 5^1\times {\mathrm{983}}^1\times {\mathrm{997}}^1$

素因数の和:1997

約数の個数: 56

約数和(自身を含む): 748308384

約数和(自身を除く): 434692064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 983, 997, 1966, 1994, 3932, 3988, 4915, 4985, 7864, 7976, 9830, 9970, 15728, 15952, 19660, 19940, 31456, 31904, 39320, 39880, 62912, 63808, 78640, 79760, 157280, 159520, 314560, 319040, 980051, 1960102, 3920204, 4900255, 7840408, 9800510, 15680816, 19601020, 31361632, 39202040, 62723264, 78404080, 156808160, 313616320]

約数ペア:

[(1, 313616320), (2, 156808160), (4, 78404080), (5, 62723264), (8, 39202040), (10, 31361632), (16, 19601020), (20, 15680816), (32, 9800510), (40, 7840408), (64, 4900255), (80, 3920204), (160, 1960102), (320, 980051), (983, 319040), (997, 314560), (1966, 159520), (1994, 157280), (3932, 79760), (3988, 78640), (4915, 63808), (4985, 62912), (7864, 39880), (7976, 39320), (9830, 31904), (9970, 31456), (15728, 19940), (15952, 19660)]